FAA Commercial Pilot Airplane (CAX)RegulationsHard
A repair station completes a major repair on an airplane's wing spar. According to 14 CFR Part 43, what documentation is required before the aircraft may be returned to service?
- AAn airworthiness directive compliance record filed with the manufacturer
- BAn FAA Form 337 completed in duplicate, with one copy placed in the aircraft records and the other forwarded to the FAA within 48 hours
- CA supplemental type certificate (STC) issued for the repair
- DA simple logbook entry describing the repair, with no additional form required
Show answer & explanationAnswer & explanation
Correct answer: B. An FAA Form 337 completed in duplicate, with one copy placed in the aircraft records and the other forwarded to the FAA within 48 hours
14 CFR Part 43, Appendix B requires that major repairs and major alterations be documented on FAA Form 337, completed in duplicate. One copy is placed in the aircraft's permanent records, and the other is forwarded to the FAA within 48 hours after the aircraft is approved for return to service.
Why the other options are wrong
- A. AD compliance records are separate from major repair documentation requirements
- C. An STC applies to approved design changes, not routine major repair documentation
- D. A logbook entry alone is insufficient; major repairs specifically require Form 337
Major Repair Documentation (Form 337)
Major repairs and alterations must be documented on FAA Form 337 in duplicate, with one copy retained in aircraft records and one sent to the FAA within 48 hours.
- Required for major repairs/alterations per Part 43 Appendix B
- Completed in duplicate
- One copy forwarded to FAA within 48 hours
Memory trick: '337 in duplicate, done in 48' for major work.