# Austro Engine Mandatory Service Bulletin MSB-E4-030/4

Copy: Revision 4 ("MSB-E4-0304"), 24 pages: PDF https://openairdocs.org/files/sha256/e8/23/e8234a2b44225595c37f53a7f90747771849dcb2b084a00a7d121598a3e22fe4; text https://openairdocs.org/service-documents/austro-engine/msb-e4-030-4/file/e8234a2b4422.md. Rights: © Austro Engine. Filed by the FAA in regulations.gov docket FAA-2021-0781; AD 2021-24-10 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Austro Engine](https://openairdocs.org/service-documents/austro-engine.md)
- Type: Service bulletin (Mandatory Service Bulletin)
- Number: MSB-E4-030/4
- Latest revision known: MSB-E4-030/4, Revision 4, dated March 30, 2021 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/austro-engine/msb-e4-030-4

## ADs that cite it (2) (OpenAirDocs)

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

- [AD 2021-24-10](https://openairdocs.org/ad/2021-24-10.md), effective Dec 27, 2021: Revision 4
- [AD 2021-09-04](https://openairdocs.org/ad/2021-09-04.md), effective May 10, 2021: Revision 4

Also cited in [1 proposed AD](https://openairdocs.org/service-documents/austro-engine/msb-e4-030-4/proposed.md).

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