FAA Inspection Authorization Practice Test

What is the purpose of FAA Form 337 in relation to major work?

It is used for pilot certification. It states the daily maintenance plan. It documents minor repairs. It documents major alterations/repairs and FAA approval; it becomes part of the airworthiness file.

Correct Answer:

It documents major alterations/repairs and FAA approval; it becomes part of the airworthiness file.

Explanation:

Form 337 is the official record used when a major alteration or major repair is performed and FAA approval is required. It captures a detailed description of the work, the parts used, how compliance with the applicable regulations was demonstrated, and the FAA or Authorized Inspector’s approval. Once signed, this document becomes part of the aircraft’s airworthiness file and maintenance history, providing permanent evidence that the change was properly approved and does not compromise safety. It isn’t used for pilot certification, daily maintenance planning, or minor repairs, which are documented through other records.

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