# Lycoming Mandatory Service Bulletin 627

Copy: Revision C ("SB 627 C"), 8 pages: PDF https://openairdocs.org/files/sha256/9f/61/9f619e4298f9b16f071d3cd767ab827ece8bbc7a177c1c15fdd1ce6b44f1dd87; text https://openairdocs.org/service-documents/lycoming/sb-627/file/9f619e4298f9.md. Rights: © Avco Corporation. Filed by the FAA in regulations.gov docket FAA-2016-9512; AD 2017-11-10 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Lycoming](https://openairdocs.org/service-documents/lycoming.md)
- Type: Service bulletin (Mandatory Service Bulletin)
- Number: 627
- Latest revision known: 627C, dated November 17, 2016 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/lycoming/sb-627

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

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

- [AD 2017-11-10](https://openairdocs.org/ad/2017-11-10.md), effective Jun 28, 2017: Revision C

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