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PDF 문서를 보고 작성하기 위한 기존 기능 세트와 웹 애플리케이션 및 반응형 레이아웃의 이점을 결합하면 몇 분 만에 FAA Form 337을(를) 완료할 수 있습니다.

The FAA Form 337, also known as the "Major Repair and Alteration" form, is required whenever an aircraft undergoes a major repair, a major alteration, or a change in the operating limitations. This form documents the work performed, certifies that it meets FAA standards, and must be signed by an authorized mechanic or repair station.
Using our fillable PDF version saves you time and eliminates the need for printing, scanning, or hand‑writing. Simply click the "Fill out this form" button, enter the required information, and download the completed document ready for submission.
Below you’ll find step‑by‑step instructions, common pitfalls to avoid, and answers to the most frequently asked questions about Form 337.
Any major repair, major alteration, or change to the operating limitations of an aircraft must be documented on Form 337.
Yes. After completing the form, you can email the PDF to the designated FAA office or upload it through the FAA’s electronic submission portal if applicable.
A certified A&P mechanic, repair station, or other FAA‑authorized individual must sign and certify the work.
The FAA accepts both printed and electronic copies. If you choose to print, use high‑quality paper and ensure signatures are legible.
The current edition expires on 07/31/2026. Always use the latest version available on the FAA website or via our fillable PDF.
Missing signatures, incorrect aircraft registration numbers, and leaving optional fields blank when they are required for your specific repair are the most frequent errors.
Filing the form itself is free, but you may incur charges for the repair work or for any required FAA inspections.
Yes, you can reopen the downloaded PDF in the Formize PDF Filler app to make additional edits before final submission.
PDF 문서를 보고 작성하기 위한 기존 기능 세트와 웹 애플리케이션 및 반응형 레이아웃의 이점을 결합하면 몇 분 만에 FAA Form 337을(를) 완료할 수 있습니다.
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