FAA Aviation Mechanic General (AMG)Regulations, Records and Human FactorsHard

A certificated repair station performs a major alteration on an aircraft under its air agency certificate and approved procedures. Regarding FAA Form 337, which statement is correct?

  1. AForm 337 is not required for any major alteration performed under a repair station certificate
  2. BOnly the aircraft owner may complete Form 337 in this situation
  3. CThe repair station may record the work in its own approved maintenance records in lieu of executing Form 337
  4. DThe repair station must submit Form 337 to the FAA within 48 hours
Show answer & explanation

Correct answer: C. The repair station may record the work in its own approved maintenance records in lieu of executing Form 337

14 CFR part 43, Appendix B allows a certificated repair station to document a major repair or alteration in its own approved maintenance records/work order system instead of completing a separate FAA Form 337, provided equivalent information is recorded.

Why the other options are wrong

  • A. Form 337 (or the equivalent repair station record) is still required to document the major work.
  • B. The mechanic or agency performing the work completes Form 337, not solely the owner.
  • D. There is no 48-hour submission requirement for Form 337.

FAA Form 337 & Repair Station Exception

Form 337 documents major repairs/alterations, but certificated repair stations may use their own approved records instead.

  • Form 337 required for major repairs/alterations by mechanics/IA
  • Part 43 Appendix B allows repair stations to use their own equivalent records
  • One copy of Form 337 normally goes to FAA, one stays with aircraft records

Memory trick: 'Repair stations write their own story instead of filling out Form 337.'

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