General details

  • Contractors name

  • Registered address

  • Divisions of / associated companies

  • Contractors to (current clients) and scope of work

  • Scope of work for BA

  • Is the contracted organisation approved for the scope of work? (CAA Part 145 approval certificate CAA Form 3 and MOE 1.9 review)

  • Is the 145 approval confirmed as current on the CAA listing?

  • Has the MOE been approved by the CAA or NAA (bi-lateral)?

  • Does the BA approved contractor listing accurately reflect the approved organisation details?


  • Management organisation as detailed in MOE

  • Name of Part 145 Accountable Manager

  • E-mail address

  • Telephone number

  • Has the accountable manager been approved by the competent authority?

  • Does the contractor have a management system to ensure that all required maintenance is carried out under the control of an accountable manager?

  • Organisation structure as per MOE 1.5

  • Quality staff

  • Name of Quality Manager

  • E-mail address

  • Telephone number

  • Has the QM been approved by the competent authority as a Form 4 position?

  • Experience

  • Does the QM report directly to the AM and is the Quality department independent of production?

  • Assistant Quality Manager (if appropriate)

  • Experience

  • Total QA staff

  • Organisation approval status

  • Current approvals

  • Production staff

  • Manpower resources MOE 1.7 review Breakdown of total / B certifying staff / C / Support staff and others

  • Total number of temporary contracted staff employed (if applicable)

  • Total number of zero hour contractors. NOTE: A zero-hour contract is a type of contract between an employer and a worker, where the employer is not obliged to provide any minimum working hours, while the worker is not obliged to accept any work offered.

  • Is the 50% rule of contracted vs permanent staff on any one shift met?

  • Does the contractor have sufficient number of qualified staff to support the planned workload?

  • Has the organisation 145 approval been audited by the competent authority in the past two years?

M.A.708 / CAMO.A.315 Audit checklist

M.A.708 (c) / CAMO.A.315(c) Maintenance contract

  • 1. Is there a written contract and interface agreement with the approved 145 maintenance organisation?

  • 2. Has the contract and interface agreement been signed by BA and the approved maintenance organisation?

  • 3 Is the CAA 145 number stated in the contract and interface agreement?

  • 4. Are controls in place to ensure that a clear work order is communicated to the maintenance organisation and that all tasks are completed before release to service? Sample evidence of process followed.

  • 5. Are procedures in place for SAP to be updated to control task completion? Sample evidence of process followed.

  • 6. Does the contract or interface agreement specify the responsibilities and the work to be performed by each party?

  • 7. Is there sufficient oversight to ensure the work is done properly to the standard required? BA onsite rep support? Are requirements of CAMO-BASE REP followed?

  • 8. Are procedures in place for SAP to be updated to ensure control of parts removed/installed?

Appendix XI to AMC M.A.708(c) / Appendix IV to AMC1 CAMO.A.315(c)

  • Sample compliance to Appendix XI / Appendix IV

  • M.AMC.2.1 Scope of work Is the type of maintenance including engine type specified? Is the MO approved for the scope of work?

  • M.AMC.2.2 Locations identified for performance of maintenance/certificates held. Are the locations where the maintenance is performed specified? Are the locations approved?

  • M.AMC.2.3 Sub-contracting and contracting the work to a 3rd party. Does the contract specify the conditions for sub-contracting tasks to a third party (approved or not)? Has any sub-contracting been approved by BA if required? Are the sub-contracted suppliers used listed in the MOE?

  • M.AMC.2.4 Maintenance programmes Is the AMP/EMP under which maintenance is performed specified?

  • M.AMC.2.5 Quality monitoring Does the contract specify provision of auditing by BA? Does the contract specify how findings are addressed?

  • M.AMC.2.6 Competent authority involvement. Is the competent authority responsible for oversight specified? Does the contract specify the provision for competent authority access to the maintenance organisation?

  • M.AMC.2.7 Maintenance data Is the maintenance data required specified? How is it made available and kept current? Review compliance with interface document including QU-X970.

  • M.AMC.2.8 Incoming conditions Does the contract/IFD specify the condition the aircraft will be handed over to the MRO and how any inbound defects will be addressed? How are the maintenance tasks required agreed between BA and supplier?

  • M.AMC.2.9 ADs and SBs/mods Is the info provided by BA specified in support of requirements to embody AD/SB's? Is the info required from the MO in return to ensure configuration control specified?

  • M.AMC.2.10 Hours and cycles control Are the requirements to provide hours and cycles specified?

  • M.AMC.2.11 Service life-limited components Does the contract specify if BA should provide the status of LLP's to the MO? Is the info required by BA to control LLP specified?

  • M.AMC.2.12 Supply of parts Does the contract specify who is responsible for providing what material or components? Is the responsibility for acceptance (approved/standard) clearly stated as the MO?

  • M.AMC.2.13 Pooled parts at line stations. N/A to Base Maintenace.

  • M.AMC.2.14 Scheduled maintenance Is support documentation (work pack, component removal list, mods etc) to be provided to the MO specified? Is deferred work agreed with BA?

  • M.AMC.2.15 Unscheduled maintenance / defect rectification Is the level to which the MO may rectify a defect without referring to BA specified? Is the process of approval of repairs specified? Is deferment of defect rectification communicated to BA?

  • M.AMC.2.16 Deferred tasks. Deferment of maintenance IAW MEL and liaison with BA Pt M should be addressed.

  • M.AMC.2.17 Deviation from the maintenance schedule Is the support the MO may provide to substantiate a deviation of the AMP by BA CAMO specified?

  • M.AMC.2.18 Maintenance check flights (MCF) If MCF flights are required they should be performed IAW BA procedures. If applicable is this specified?

  • M.AMC.2.20 Release to service documentation. Are the support forms to be used for release to service specified? Is the documentation required by BA CAMO specified?

  • M.AMC.2.21 Maintenance record keeping. Are records required by Pt M subpart C sub-contracted to the MO? If so has an audit been conducted by BA CAMO?

  • M.AMC.2.22 Exchange of information. Is the info exchanged specified detailing what, when, frequency, how, from who to who?

  • M.AMC.2.23 Meetings. Are meetings specified and held? Contract review / Workscope planning / Technical / Quality / Reliability

  • 2.24 Interface agreement - Corrosion finding reporting Are corrosion findings reported to BA onsite reps, verified and recorded in SAP as required? - check that BA reps are aware - check that corrosion findings has been verified as level 1, 2 or 3 - check that there is a corresponding record in SAP

  • 2.25 Interface agreement - Control of repair ICA limitations Are repair ICAs recorded and controlled in accordance with the interface agreement? - are BA reps and/or Part M notified? - are appropriate notifications set up (e.g. W2, D3 or D7s)?

  • 2.26 Dos the work include interface with a design organisation? Review STC certification procedures and interfaces including how corrections to the design instructions are managed and controls of prototype parts and certification.

145 Audit checklist (as applicable)

  • Base Maintenance contractor audit (process and site audit)

1. Facilities (145.A.25)

  • 1.1 Are the facilities suitable, available and large enough for planned scope of work? Consider aircraft size & lines of work, workshop, stores and support facilities needed.

  • 1.2 Do the facilities meet the required standard of 145? Consider noise, environmental control, lighting, protection from elements and contamination.

  • 1.3 Office accommodation available for tech records, planning, tech publications and BA reps.

  • 1.4 Segregation and secure storage for components, equipment, tools and materials.

2. Personnel (145.A.30)

  • 2.1 Is the management structure and responsibilities as per those defined in the approved MOE?

  • 2.2 Is there a manhour load and capacity plan and does it ensure sufficient staff for the planned work?

  • 2.3 Is competence controlled to the standard required by 145? HF & HP factors understanding. Review applicable procedures.

  • 2.4 Are NDT staff qualified to European or equivalent standard?

3. Certifying staff & support staff (145.A.35)

  • 3.1 Is the procedure that ensures certifying & support staff meet the requirements of 145 before issuing an authorisation followed? Licence, training, experience, competence, age.

  • 3.2 Do staff receive Continuation Training every 2 years that includes knowledge updates on technology, procedures & HF?

  • 3.3 Is the certification authorisation scope and limitations clearly defined?

  • 3.4 Is the record of all certifying and support staff maintained?

4. Equipment and Tools (145.A.40)

  • 4.1 Are tools and equipment available to perform the scope of work?

  • 4.2 Tools and equipment controlled and calibrated?

  • 4.3 Is the procedure for use of alternative tooling specified in the MOE an followed?

5. Components (145.A.42)

  • 5.1 Are components classified as per a procedures that meets 145 requirements? Serviceable with CAA Form 1 or equivalent & marked IAW Pt21. Unserviceable Unsalveagable Standard parts - conformity traceable to standard Material - traceable to spec.

  • 5.2 Is the procedure for acceptance of components followed? Receipt inspection.

  • 5.3 Storage conditions meet the requirements of 145? As per manufacture recommendations. Segregation Shelf life control Protective packaging Handling prevents damage (ESD)

  • 5.4 Are standard parts and material available for the scope of work?

  • 5.5 Are dangerous goods packaged and handled correctly. Check staff knowledge / training.

  • 5.6 Are unsalveagble components mutilated as per GM1 145.A.4(c)(I)?

6. Maintenance Data (145.A.45)

  • 6.1 Are procedures followed that ensure the use of current maintenance data as applicable to work scope?

  • 6.2 Is data readily available to maintenance personnel?

  • 6.3 Who is providing the work cards?

  • 6.3.1 Are procedures established and training for the completion of BA work cards?

  • 6.3.2 Are procedures for creation of work cards including transcribing maintenance data followed? Breakdown of complex tasks.

  • 6.4 Are BA Engineering standards followed? QU-X970 reviewed and standards incorporated in work card instructions.

7. Production planning (145.A.47)

  • 7.1 Is the work planned to ensure safe completion? Tasks & shift consider HP limitations. Availability of personnel, tools, equipment, facilities, parts, data as required by 145.

  • 7.2 Are procedures for handovers followed?

8. Performance and certification of maintenance (145.A.48 / 50)

  • 8.1 Are procedures followed that ensure aircraft is clear of tools, equipment, parts and panels refitted?

  • 8.2 Are error capturing method procedures followed for critical maintenance tasks? Independent inspections.

  • 8.3 Are procedures followed that reduce the risk of multiple errors for the same task on multiple systems? Separate certifiers/work teams. Staged task certification. Independent inspections.

  • 8.4 CRS issued by authorised staff?

  • 8.5 Are procedures followed that ensure all work is completed or deferred in agreement with BA?

  • 8.6 Are defects rectified or deferred within the limitations of the MEL or approved data?

9. Maintenance Records (145.A.55)

  • 9.1 Are all work recorded in legible, complete and up-to-date manner? Stamp legibility. Reference to approved data.

  • 9.2 Is the base CRS completed and inserted in the tech log with copy included in the work pack?

  • 9.3 Are records complete, including sub contractors release documents

  • 9.4 Are records provided to BA as required by the interface agreement?

10. Occurrence Reporting (145.A.60)

  • 10.1 Does the mandatory occurrence procedure comply with 376/2014 and 2015/1018?

  • 10.2 Sample occurrence reports raised by contractor. Is there a good reporting culture? Was the operator, TCH and NAA notified within 72 hours? Investigation effective in preventing reoccurrence?

11. Safety & quality policy, maintenance procedures & quality system (145.A.65)

  • 11.1 Are procedure reviewed to ensure they remain complaint with 145 regulations?

  • 11.2 Review the audit plan. Are audits completed to plan? Is the full scope of 145 sampled every 12 months? Is there a product sample programme?

  • 11.3 Are audits reports recorded and findings actioned by responsible managers with feedback to the accountable manager?

  • 11.4 Are findings closed after review of action taken to correct and prevent reoccurrence?

  • 11.5 Are auditors assessed to ensure they are competent?

  • 11.6 Approval, control and monitoring of Sub-Contracted and 3rd party maintenance providers. Are procedures followed? Has BA CAMO approved 3rd party suppliers?

12. Interview certifying staff

  • Certifying staff personnl number

  • 12.1 Is licence and authorisation current?

  • 12.2 Completed required training? Aircraft type. Induction - HF, docs & procs. Initial HF, FTS Phase 2 & EWIS. Customer docs & procs.

  • 12.3 Read and sign current? Including BA as applicable.

  • 12.4 Experience recency is current? 6 months in 2 years. Recorded as per procedure.

  • 12.5 Has competence been assessed as required by procedure? Check knowledge of EWIS, CDCCL, conditions to be met for CRS, navigation to applicable maintenance data and procedures. Critical maintenance tasks and independent inspection process. Defect investigation with reference to approved data. Knows how to raise an occurrence report.

  • 12.6 Are personal tools control as per procedure?

  • 12.7 Can demonstrate knowledge of BA procedures? Completed BA docs & procs training. Tech log completion including ADD with ref to MEL.

Adhoc questions

Adhoc questions / auditor's reminders

  • Create

  • Adhoc.
  • Adhoc question/note

  • Compliant?

Auditor's Sign off


  • Review the last 12 months of GOR and ASR events (in eBASIS/AIR) attributed to contracted MRO at fault.

  • Record the number of risk B (risk score 48-96) ESR and ASR's.

  • Record the number of risk C (risk score 20-40) ESR and ASR's.

  • Record the number of risk D (risk score 8-16) ESR and ASR's.

  • Record the number of risk E (risk score 1-7) ESR and ASR's.

  • Contracted supplier risk register updated?


  • What is the risk?

  • Record the weighted risk score.

Auditor sign off


    I hereby confirm that the contracted MO has been sampled for compliance to the requirements of British Airways, Part M /Part CAMO and Part 145 and that all findings are recorded in CAMS and the risk register updated.

    All applicable non-conformances identified have been raised and distributed to PART 145 or PART M departmental management (as applicable).

  • Print and sign

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