Budget window

• So we make the best use of your time — do you have an allocated budget window for upcoming heavy checks? If so, which annual spend range is closest? Options: Under $500,000, $500,000–$1,000,000, $1,000,000–$2,000,000, $2,000,000–$5,000,000, Over $5,000,000, Not yet allocated / under review

Decision-makers and governance

• Which roles will need to approve or sign a maintenance agreement for these checks? Options: Director of Maintenance / Technical Ops lead, VP of Technical Operations, COO or CEO, Procurement, Legal / Contracts, Fleet Operations Director, Other
• If available, please name the primary economic approver or provide a contact role/email (one-line).

Regulatory and compliance constraints

• Are there regulatory approvals, airworthiness authority conditions, or customs/export controls that could affect scheduling, parts provisioning, or transfer of technical records? Options: No, Yes — national aviation authority approvals, Yes — customs or export controls, Yes — other regulatory constraints, Unsure
• If yes or unsure, please briefly list the required approvals, deadlines, or the team owning them.

Planned heavy-check timelines

• Do you have aircraft and heavy-check windows planned in the next 12–18 months? Please list aircraft types, counts, and approximate months.
• How firm are those dates? Options: Firm — fixed dates, Moderately flexible — +/- 4 weeks, Flexible — +/- 2–3 months, TBD — exploring options

Starting with your heavy-check calendar

• Tell me which aircraft types and how many airframes you expect to slot for heavy maintenance in the next 12 to 18 months.
• How fixed are your planned check dates, are they target windows or locked dates? Options: Target windows (flexible within month), Mostly locked dates (firm within 1-2 weeks), Flexible within quarter, Undetermined
• Who owns the scheduling decision on your side, and which roles must sign off to move a slot? Options: Director of Maintenance, VP Technical Operations, Fleet Operations, Procurement, COO/Executive, Other
• If your preferred slot shifts by more than four weeks, what single outcome would make you walk away from engaging an external provider?

When schedule slips become real costs

• When a heavy check slips past your guaranteed turnaround, what immediate operational or revenue impact do you track first? Options: Lost block hours and revenue, Short-term fleet availability, Customer service impacts (route cancellations), Regulatory or schedule penalties, Other
• How often over the last 12 months have overruns removed your aircraft from service longer than planned? Options: Never, Rarely (1-2 times), Occasionally (3-6 times), Frequently (monthly or more)
• Which repair or parts delays have caused the largest cascade of AOG events for your fleet in the past two years? Options: Engine rotables, Landing gear components, Avionics LRUs, Hydraulics and pneumatics, Other
• Tell me about a recent unexpected finding during a heavy check and how your team resolved the cost and schedule consequences.
• What single risk in your current supply or maintenance plan would make you refuse a 95 percent on-time guarantee?

Parts, rotables, and your AOG tolerance

• If a critical rotable part is missing, how many hours of AOG does your operation tolerate before the penalty clause must apply? Options: Under 12 hours, 12 to 24 hours, 24 to 48 hours, 48 to 72 hours, More than 72 hours
• Which parts or LRU categories do you consider non-negotiable to have in a vendor's rotable pool for your fleet types? Options: Engine rotables, Landing gear assemblies, APU components, Avionics LRUs, Hydraulic pumps, Other
• Describe your current rule for prioritizing parts allocation between scheduled checks and AOG events.
• Who is accountable for releasing spares from your inventory when a vendor requests a part under short notice? Options: Materials manager, Logistics lead, Procurement, Maintenance planning, Other
• List the contractual requirement or remedy that would immediately stop your engagement if parts SLA cannot be met.

Who signs, who vetoes, and how decisions move

• Name the roles in your organization that must approve a final MRO contract, and which one holds the decisive veto. Options: Director of Maintenance, VP Technical Operations, COO, Procurement, Legal, Finance
• Describe your procurement team's approach to evaluating SLA penalties compared with a fixed price per flight hour.
• Estimate how long your legal review and internal technical sign off typically take for MRO contracts. Options: Less than 2 weeks, 2 to 4 weeks, 4 to 8 weeks, More than 8 weeks
• Identify the single signature or condition that would stop you from finalizing a slot commitment.

Which metrics move your leadership and why

• Point to the key metric your CFO would accept as proof that a vendor reduced operational risk. Options: On-time redelivery rate, AOG hours per month, Net cost per flight hour, Number of quality escapes/ADs, Other
• Walk me through the report you present to your executives about turnaround adherence and parts consumption.
• Specify the deviance in days from your target turnaround that triggers formal remediation. Options: Under 1 day, 1 to 3 days, 3 to 7 days, More than 7 days
• List the immediate remedies you would require if on-time redelivery fell below your threshold in year one. Options: Financial credits, Escalation to executive governance, Operational remediation plan with milestones, Right to terminate, Other

Where the other options sit and why they might win

• Map the alternatives your team is actively evaluating besides an external full-scope MRO partner. Options: Incumbent third-party MRO, Keep checks in-house, Multiple single-service vendors, Regional MRO providers, Another PBH provider, Other
• For any incumbent provider, what would have to be true about their performance for you and your team to stay with them?
• Has anyone on your team proposed keeping heavy checks in-house and what blocked that proposal from progressing? Please be specific about headcount, tooling, or certification gaps. Options: Yes, blocked by headcount, Yes, blocked by tooling/capacity, Yes, blocked by certification/regulatory gaps, No one has proposed in-house, Other
• Outline the trade-offs, cost versus turnaround versus parts availability, that would make a lower-cost incumbent preferable to a faster external partner for your operation.
• Assuming an incumbent could match your proposed slot availability, identify the single remaining reason that would still make you switch providers.

Practical readiness gates you cannot ignore

• Point to any hard gates your program must clear, such as access to technical records, customs bonds, airworthiness transfer, or ferry permits. Options: Technical records transfer, Customs/export clearance, OEM approvals, Maintenance IT integrations/APIs, Ferry permits/logistics, None identified yet, Other
• Identify the internal teams at your organization that must dedicate named resources for on-site handover and who owns those commitments. Options: Maintenance planning, Materials/logistics, Records/technical services, Flight ops/ferry planning, Procurement, Other
• Are your technical records for the airframes planned fully digital, partially digital, or paper-only? Options: Fully digital and accessible via API or portal, Partially digital, some paper, Paper-only, Varies by aircraft
• Estimate how much lead time you need to transfer parts ownership and release materials to an external vendor for a scheduled check. Options: Under 2 weeks, 2 to 4 weeks, 4 to 8 weeks, More than 8 weeks
• Name the single missing readiness item at your end that would prevent you from committing a particular airframe to an external check.

How you will judge the commercial and SLA fit

• Specify the contractual remedy your team would require if the vendor misses the turnaround guarantee.
• Select the penalty structure your procurement would prefer, per-aircraft liquidated damages, credit toward future checks, or price-per-flight-hour adjustments. Options: Per-aircraft liquidated damages, Credit toward future checks, Price-per-flight-hour adjustment, Combination, Undecided
• Walk me through your verification process for vendor performance on parts SLA and rotable provisioning during a check.
• What single acceptance criterion, if unmet on redelivery, would cause your team to withhold final payment or refuse acceptance?
• State the governance cadence your team expects for contract reviews and escalation in the first year. Options: Weekly in month one, then monthly, Bi-weekly for first 3 months, monthly thereafter, Monthly from day one, Quarterly

Next steps that actually accelerate a decision

• Pinpoint the decisive pilot outcome that would enable your organization to approve signing within 30 days.
• Provide the artifacts the vendor must deliver during a pilot to let your team validate turnover, for example check photos, parts traceability, and tool calibration records. Options: Check photos and timestamps, Parts traceability paperwork, Tool and test equipment calibration records, Technical records transfer samples, Test flight report
• Designate the team owner on your side responsible for pilot evaluation and the decision date they must meet.
• Enumerate remaining internal approvals at your organization that would block you from signing even after guaranteed slot availability and the required parts SLA are confirmed.
• When would your team like to schedule a joint readiness review to finalize slot and contract terms? Options: Within 1 week, 1 to 2 weeks, 2 to 4 weeks, More than 4 weeks

• Solution Experience Session

• Confirm the current state and cost to operations
• You confirm the demonstrated certification matrix covers the aircraft types you plan to slot.
• Provide the full fleet list with aircraft types, planned check windows, and preferred slot dates for the next 12 to 18 months.
• You agree the rotable provisioning simulation meaningfully reduces AOG risk for your slot scenarios.
• Proof: Certification coverage by aircraft and slot scenario
• Share your highest-risk slot scenarios or busiest hubs so they can be modeled in the rotable simulation.
• Proof: Rotable provisioning and slot allocation simulation
• You confirm the turnaround timelines and penalty triggers meet your operational thresholds for slot acceptance.
• Run a slotting simulation using the provided fleet list and deliver a slot risk and parts allocation report before the follow-up session.
• Proof: Turnaround commitment timeline and penalty triggers
• Draft proposed SLA language for turnaround guarantees and penalty mechanics for review based on the validated scenarios.
• Agreement on the remaining evidence required to finalize SLA terms and slot commitments.
• Validate alignment with your expectations

• Solution Experience Session
• Solution Experience Deck
• Solution Brief: Certification, Rotables, Turnaround

• meeting
• slides
• document

• Execute Airframe C-Check
• Execute Airframe D-Check
• Perform Engine Overhaul and Test
• Restore and Overhaul Landing Gear Assemblies
• Repair and Return Rotable Components
• Exchange Critical Line-Replaceable Units (LRUs)
• Provision Rotable Parts and AOG Support
• Kitting and Delivering Heavy-Check Parts Kits
• Conduct Non-Destructive Testing and Structural Repair
• Transfer and Update Aircraft Technical Records
• Perform Engine Test Runs and Certification
• Perform Functional Tests and On-Time Redelivery

Execute Airframe C-Check

• For the C-check, which aircraft model and line(s) (e.g., A320ceo, B737-800, A330-300) will you place into scope?
• Which scheduled check tasks from your maintenance planning document (MPD) must be completed during this C-check (list ATA chapters and specific tasks if required)?
• List the maximum allowable shop days for this C-check per aircraft in calendar days (for example 14, 21, 28) Options: Less than 14 days, 14-21 days, 22-28 days, More than 28 days, Specify in free text
• Specify any life-limited part (LLP) inspections or removals mandated in this C-check by part number or serial range that we must plan for
• Provide the expected number of non-routine findings historically observed on this fleet for C-checks (e.g., corrosion, structural repairs, unexpected borescope findings) Options: 0-2 per aircraft, 3-5 per aircraft, 6+ per aircraft, Unknown / historical data attached

Execute Airframe D-Check

• Which fleet types and serial numbers are you planning for a D-check in this scope period?
• Describe the D-check level structural inspections required from the operator's MPD (for example wing lower skin fastener removal, major structural splice inspection, heavy corrosion remediation)
• Indicate the target dock-to-release turnaround in calendar days for each D-check aircraft you expect in scope Options: 30-45 days, 46-75 days, 76-120 days, Custom / specify
• Identify any OEM-mandated structural modifications, SBs (service bulletins), or ADs (airworthiness directives) you want included in the D-check scope with reference numbers
• State whether teardown and reassembly of major systems (e.g., environmental control system, fuel lines) are required beyond standard MPD workcards Options: Yes—full system teardown, Limited to specified systems, No—standard MPD only

Perform Engine Overhaul and Test

• Which engine types and serial numbers will you route for overhaul (e.g., CFM56-5B SN X, PW4000 SN Y)?
• Specify the contract scope for each engine: shop visit for inspection only, on-condition repair, shop-level overhaul, or complete on-wing replacement Options: Inspection only, On-condition repair, Shop-level overhaul (on-wing removed), Complete teardown and overhaul
• Provide the allowable time between engine removal and certified test-run redelivery (hours/days) you require Options: Less than 7 days, 7-14 days, 15-30 days, Custom
• Identify any required OEM-approved bench test certification or data pack deliverables (for example shop card copies, borescope reports, test-cell log) to accompany the engine
• Estimate the maximum spend cap per engine beyond the baseline quote for unexpected findings before you require an authorization to proceed Options: No additional spend without authorization, Up to 5% over baseline, 5-15% over baseline, Specify a dollar amount

Restore and Overhaul Landing Gear Assemblies

• Which landing gear assemblies (nose, left main, right main) and part numbers are included in the scope for overhaul?
• Specify required overhaul standards and certifications (for example OEM chapter reference, FAA/EASA Form 1 issuance) you expect with each gear shipment
• State your acceptable overhaul lead time from receipt to certified return for each gear assembly Options: Less than 14 days, 14-30 days, 31-60 days, Custom
• Indicate whether wheel-axle assemblies, brake units, and oleo struts must be overhauled together or can be scoped independently Options: All assemblies overhauled together, Can be scoped independently per PN/SN
• Describe any vendor-specific test requirements you need performed post-overhaul such as static load testing, NDT, or run-in checks

Repair and Return Rotable Components

• List the rotable part numbers and quantities you expect returned repaired (include ATA chapter or component name)
• Indicate required repair turnaround targets per component class (electrical, avionics, mechanical) in shop days Options: 24-72 hours, 3-7 days, 8-14 days, Custom
• Provide acceptable repair acceptance evidence for each part class (for example test bench logs, calibration certificates, conformal coating report)
• Specify whether life-limited parts inside rotable repairs require documentation of remaining life and if so the format (hours/cycles and supporting log extract) Options: Yes—hours and cycles with log extract, Yes—hours only, No
• State whether repaired rotable components must be returned with specific packing and labeling per your shipping or import compliance rules Options: Yes—provide packing list template, Standard industry packing acceptable

Exchange Critical Line-Replaceable Units (LRUs)

• Which LRU families (avionics LRUs, environmental control LRUs, flight-control LRUs) and typical part numbers do you intend to keep as pool exchanges?
• Describe your swap policy expectations for exchanges (time-to-swap at station, max AOG response window) in hours Options: 4 hours, 8 hours, 24 hours, Custom
• Identify any companion paperwork required on exchange (for example tag, EASA Form 1/FAA 8130-3, configuration traceability)
• Estimate the monthly exchange volume for each LRU family to size pool commitments Options: 1-5 units/month, 6-20 units/month, 20+ units/month, Unknown
• Explain whether you require serialized tracking and individual service-history records for exchanged LRUs Options: Yes—serialized tracking required, No—batch tracking acceptable

Provision Rotable Parts and AOG Support

• Which critical rotable part numbers and minimum on-hand quantities do you require committed at the hub to meet your AOG risk threshold?
• Choose the AOG response profile you want for critical parts (for example 4-hour pickup, next-flight delivery, overnight courier) Options: 4-hour pickup, Same-day delivery, Overnight courier, Scheduled next-day
• Describe the verification evidence that will validate the rotable inventory commitment (for example daily stock report with PN/SN, proof of shipment records)
• Indicate whether you require consignment, short-term lease, or purchased inventory models for rotable provisioning Options: Consignment, Short-term lease, Purchase, Mixture—specify
• State the financial penalty or service-credit threshold you expect if a committed critical rotable is unavailable within the agreed AOG response window Options: Service credits per hour of delay, Fixed daily penalty, No penalty—escalation only, Specify amount

Kitting and Delivering Heavy-Check Parts Kits

• Which heavy-check parts kits do you require (C-check kit, D-check structural kit, wheel-brake kit) and which ATA chapters do they cover?
• Specify the packing list and labeling requirements for each kit to comply with your repair station receiving and customs inspection
• Provide the preferred delivery windows and receiving hours at your intended receiving facility or ramp Options: Standard business hours, 24/7 receiving, Planned window—specify
• Indicate whether temperature-controlled or hazardous-materials handling is required for any kit items and identify the PNs Options: Yes—temperature controlled, Yes—hazmat, No
• Detail how you want discrepancies in kit contents handled on arrival (hold, immediate replacement, credit note) and who authorizes replacements Options: Immediate replacement on supplier stock, Hold until approval, Credit note only

Conduct Non-Destructive Testing and Structural Repair

• Which NDT methods do you require for this check scope (eddy current, ultrasonic, dye penetrant, radiography) and to which structure assemblies do they apply? Options: Eddy current, Ultrasonic, Dye penetrant, Radiography, Other
• Specify the acceptance criteria for detected defects by NDT method (for example crack length threshold in mm, depth thresholds, allowable corrosion pitting counts)
• Describe any required certified inspector levels or qualification documentation (for example NAS 410 certificate level) that must sign off NDT reports
• State whether structural repairs require engineering disposition from the OEM or an equivalent DER (designated engineering representative) before work proceeds Options: OEM disposition required, DER engineering disposition acceptable, In-house engineering acceptable
• Provide turnaround expectations for typical structural repairs flagged during checks (small, medium, major) in shop days Options: 1-3 days, 4-10 days, 11+ days

Transfer and Update Aircraft Technical Records

• Which specific technical records must be transferred and updated (logbooks, component history cards, workorder archives, digital E-logs) for each aircraft?
• Identify the preferred digital format and integration endpoint for records delivery (for example CSV export, XML, direct SFTP to your maintenance records system) Options: CSV export, XML export, Direct SFTP, API push, Other
• State the maximum allowed lag between physical work completion and record update in days that will be acceptable for audit purposes Options: Same day, 1-3 days, 4-7 days, More than 7 days
• Provide the acceptance criteria that will confirm successful transfer and update of technical records (for example signed maintenance release attached, component logbook entries with PN/SN, searchable digital index)
• Explain whether you require chain-of-custody or notarized transfer manifests for international customs clearance and which documents trigger customs holds Options: Yes—chain-of-custody required, No—standard paperwork sufficient

Perform Engine Test Runs and Certification

• Which engine test-cell certification outputs do you require on release (for example full-power run chart, vibration spectra, fuel-flow logs, EGT traces)?
• Specify whether FAA 8130-3 / EASA Form 1 or equivalent paperwork is required with engine returns and which authority format you prefer Options: FAA 8130-3, EASA Form 1, Authority equivalent, Not required
• Indicate the acceptable test-cell run parameters you will accept for redelivery (target N1/N2 bands, idle/stabilized fuel flow tolerance, vibration limits)
• Provide the maximum number of test-run cycles or hours allowable before you require a post-test inspection Options: 0-1 cycles, 2-5 cycles, More than 5 cycles, Specify
• Describe any third-party witnessing or certification (for example airline technical representative witness, OEM witness) that must occur during the engine test run Options: Airline witness required, OEM witness required, No witness required

Perform Functional Tests and On-Time Redelivery

• Which functional checks must be executed on each aircraft prior to redelivery (for example APU start, engine run, flight-control checks, service ceiling test), with ATA references as applicable?
• Specify the definition of on-time redelivery you will use for this agreement (actual departure from shop by scheduled redelivery datetime, MTOW return window, or other) Options: Departure by scheduled redelivery datetime, Redelivery within a +/- 24 hour window, Redelivery within a +/- 72 hour window, Custom—specify
• Provide the acceptance evidence required at redelivery for each aircraft (certificate of release to service, completed test-flight log, transferred digital records)
• Identify required post-maintenance functional tests that must be witnessed by your staff and whether video or live attendance is preferred Options: Live witness required, Recorded video acceptable, No witness required
• Explain escalation steps you expect if redelivery cannot meet the agreed on-time definition (immediate AOG mitigation, loaner aircraft, penalty negotiation) Options: Immediate mitigation and loaner options, Service credit/penalty per day, Escalation to executive governance

• Master Services Agreement (MSA)
• Statement of Work (SOW)
• Service Level Agreement (SLA)
• Order Form & Pricing Schedule
• Power-by-the-Hour Pricing Addendum
• Parts Provisioning & Inventory Agreement
• Governance & Escalation Plan
• Executive Sign-off Form
• Technical Records Transfer & Regulatory Addendum
• Change Order Procedure

• Go-live Health Check (weeks 1-4)
• First Performance Measurement (weeks 4-10)
• 90-day Performance Review and Incumbent Wind-down
• Quarterly SLA and Operational Review
• Annual Comprehensive Performance Review

• Publish the quarterly SLA scorecard with trend charts and incident summaries.
• Execute the final incumbent decommission tasks or formalize read-only access and archive completion evidence.
• List remaining remediation items with owners and hard deadlines for closure before the next quarterly review.
• Quarterly trend review and scorecard
• Confirm quarterly SLA performance and identify any penalty triggers or credits.
• Reduce repeat root causes by agreeing specific process or inventory adjustments.
• Keep the operational backlog current with owners and target close dates.
• Reconfirm committed success criteria and owners
• Implement agreed parts provisioning or sloting adjustments and confirm expected impact.
• Update the escalation matrix and circulate to operations and procurement teams.
• Annual performance summary
• Document whether annual targets for on-time redelivery and SLA compliance were met and reconcile any financial remedies.
• Agree an operational capacity and parts provisioning plan for the next 12 months.
• Define the monitoring cadence and reporting pack for the coming year.
• Publish the annual performance report including reconciliations and a forward operational plan.
• Lock in rotable replenishment schedule and supplier performance improvement actions.
• Schedule the next year of quarterly SLA reviews and confirm reporting templates.
• All outstanding critical deployment items are documented with owners and resolution dates.
• Decision on whether any immediate operational mitigations are required to protect flight ops.
• Clear list of data sources and cadence for the first measurement meeting.
• Document outstanding technical-record transfers and publish owner and expected completion date.
• Produce a short AOG incident summary for any events in the first 30 days.
• Confirm the data sources and extraction cadence that will feed the first performance measurement.
• Present first-window performance vs targets
• Establish whether on-time redelivery rate and average turnaround time are tracking to Solution Scope targets.
• Agree a prioritized corrective action list with resolution dates to close performance gaps by the 90-day checkpoint.
• Identify any immediate parts or logistics changes required to avoid further slippage.
• Deliver a detailed AOG and delay incident log for the measurement period including causes and time lost.
• Produce an updated parts allocation plan showing rotable pool utilization and replenishment dates.
• Create a timebound remediation tracker for agreed corrective actions and circulate weekly updates.
• 90-day performance summary vs Solution Scope targets
• Confirm which SLA obligations are met and which remain open, with remediation timelines.
• Certify incumbent decommission status or document retained read-only arrangements and data archive completion.
• Agree a residual risk monitoring plan for the next quarterly cycle.
• Publish the 90-day performance pack including SLA compliance calculations and incident narratives.
• Deployment and records validation
• AOG events and root-cause analysis
• Cumulative incident and penalty reconciliation
• Remediation closeout status
• Diagnose root causes for deviations
• Review parts provisioning and rotable availability
• Incumbent system wind-down checkpoint
• Rotable inventory and supply-chain posture
• Early operational signals and adoption
• Rotable pool and parts supply health
• Open issues and blocker triage
• Open issues, change requests, and governance effectiveness
• Annual operational adjustments and capacity planning
• Agree corrective actions and timelines
• Operational risk register and residual mitigations
• Agree immediate remediation actions