AD Alternative Method of Compliance (AMOC) request
letter · 14 CFR 39.19
When you need it
Deviating from AD method
What the FAA does with it
Approved or denied by the FAA office named in the directive, submitted by You send it to your principal inspector, or to the FAA office named in the directive.
What you'll need to provide
The airworthiness directive, your proposed alternative and the data that supports it
What the FSDO looks for
Inspectors evaluate submissions using FAA Order 8900.1 guidance and, for certificate holders, SAS Data Collection Tools.
- 8900.1: V3 C59 S3 Processing Alternative Methods of Compliance Proposals to Ai (CHG 531, Current)
- Advisory Circulars: None listed
- DCTs: 4.2.3 (AW) AD Management (no SAS DCT for Part 91/91.147)
Common reasons submissions are returned
- Aircraft data (make, model, serial, N-number) inconsistent across the application, the document and the registration certificate
- Outdated revision of a referenced AC, MMEL or template
- Missing signatures, dates or revision control on each page
- Missing required attachments: The airworthiness directive, your proposed alternative and the data that supports it
- Submitting to the wrong office or by the wrong method (expected: You send it to your principal inspector, or to the FAA office named in the directive)
General issues drawn from the requirements above, not statistics.
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Sources: the regulations, ACs and 8900.1 sections listed above (public FAA documents). Guides explain requirements; they are not the document and not legal advice.
BizJetDocs is not affiliated with or endorsed by the FAA. Not legal advice. We cannot guarantee FAA acceptance or approval. You are responsible for the accuracy of your answers and for submitting to the FAA. Liability is limited as set out in the Terms.