# Finmeccanica Alert Bollettino Tecnico 412-146

Copy: Revision A ("Finmeccanica Helicopter Division Alert BT 412-146 Revision A"), 11 pages: PDF https://openairdocs.org/files/sha256/ab/ff/abffe373bfe03f8d621ab8ca1784da22c7888889d244e6fd07108b530fe2177c; text https://openairdocs.org/service-documents/leonardo/sb-412-146/file/abffe373bfe0.md. Rights: © Leonardo S.p.A. Filed by the FAA in regulations.gov docket FAA-2017-1077; AD 2021-07-16 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Leonardo](https://openairdocs.org/service-documents/leonardo.md) (issued as Finmeccanica)
- Type: Service bulletin (Alert Bollettino Tecnico)
- Number: 412-146
- Latest revision known: 412-146, Revision A, dated July 7, 2016 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/leonardo/sb-412-146

## ADs that cite it (1) (OpenAirDocs)

Newest first, with the revision each names, as OpenAirDocs read it from the AD's text.

- [AD 2021-07-16](https://openairdocs.org/ad/2021-07-16.md), effective Apr 28, 2021: Revision A

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