IA Airworthiness Determinations & Return-to-Service Protocols 3

Question 1

After a major repair is approved for return to service, how must the completed FAA Form 337 be handled?

Accepted Answer

Copy to the aircraft owner and a copy forwarded to the FAA within 48 hours

Answer

Appendix B of part 43 requires one copy to the owner and one forwarded to the FAA Aircraft Registration Branch within 48 hours.

Question 2

Which is NOT acceptable approved data for a major alteration?

Accepted Answer

A manufacturer's informal service letter with no FAA approval

Answer

Major alterations must use FAA-approved data such as STCs, DER-approved data or field approvals.

Question 3

An A&P mechanic without an IA performed a major repair on a certificated aircraft's wing spar. Who may approve it for return to service?

Accepted Answer

An IA holder or an appropriately rated repair station

Answer

Under 43.7, return to service after major repair requires an appropriately rated repair station or an IA using approved data.

Question 4

Under 14 CFR 91.407, when is a flight test required before carrying passengers after maintenance?

Accepted Answer

After a major repair or alteration that may have appreciably changed flight characteristics or operation

Answer

A flight check is required when the work may appreciably change flight characteristics or substantially affect operation in flight.

Question 5

Which regulation document lists examples of major alterations and major repairs for airframes, powerplants, propellers and appliances?

Accepted Answer

14 CFR part 43, appendix A

Answer

Appendix A of part 43 describes major alterations, major repairs and preventive maintenance.

IA - Inspection Authorization Certification Practice Test