# Leonardo Alert Service Bulletin 139-654

Copy: No revision named ("Leonardo Helicopters ASB 139-654 first issue"), 19 pages: PDF https://openairdocs.org/files/sha256/a9/36/a936b2e7c7927984ba8a25b1a3f5d563214aa08a7c11ece2c84fd87ff76d71be; text https://openairdocs.org/service-documents/leonardo/sb-139-654/file/a936b2e7c792.md. Rights: © Leonardo S.p.A. Filed by the FAA in regulations.gov docket FAA-2021-0512, the docket of AD 2021-13-21. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Leonardo](https://openairdocs.org/service-documents/leonardo.md)
- Type: Service bulletin (Alert Service Bulletin)
- Number: 139-654
- Page: https://openairdocs.org/service-documents/leonardo/sb-139-654

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