Faa form 337: Fill out & sign online

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Can an AP fill out a 337?

If the alteration is minor, the approval can be done by any licensed AP mechanic. However, if the alteration is deemed to be major, it requires a mechanic with an Inspection Authorization (IA), in order to sign the approval block on the 337 form and submit it to the FAA.

What can a certified repair station use in lieu of Form 337?

e. FAR Part 43, Appendix B, Paragraph (b) authorizes FAA certificated repair stations to use a work order, in lieu of FAA Form 337, for only major repairs.

What is the difference between STC and 337?

The purpose of an STC is to create a permanent certified approval for the modifition of an aircraft in a particular way. The purpose of a 337 is to document a major repair or alteration of an aircraft.

What is the difference between FAA Form 337 and STC?

The purpose of an STC is to create a permanent certified approval for the modifition of an aircraft in a particular way. The purpose of a 337 is to document a major repair or alteration of an aircraft.

Who can approve a FAA Form 337?

The Inspector approves the repair or alteration by signing block 3 of Form 337. Owners, operators, and persons who repair or alter aircraft, FAA Flight Standards Inspectors, FAA Aircraft Certification Office Engineers, and DERs need to know when a field approval is made.

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