# Austro Engine Mandatory Service Bulletin MSB-E4-042: No revision named, from page 13 - Rights: © Austro Engine. Filed by the FAA in regulations.gov docket FAA-2024-0456; AD 2024-05-01 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. - Document: [Austro Engine Mandatory Service Bulletin MSB-E4-042](https://openairdocs.org/service-documents/austro-engine/msb-e4-042.md) - Title as filed: Austro Engine MSB E4-042 - Pages: 16 - PDF: https://openairdocs.org/files/sha256/60/2d/602d52d3d513a179d80f6152eea5c5750569debc42a45e4184661db2c934076b - Page: https://openairdocs.org/service-documents/austro-engine/msb-e4-042/file/602d52d3d513 ## Text Each page's text from the PDF; open the PDF at a page with #page=N. ### Page 13 DOA no. EASA.21J.399 Mandatory Service Bulletin No. MSB-E4-042 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 First Issue Date Rev. No. Revision Date Page 31 01 2024 0 -- -- ---- 13-16 © 2024 by Austro Engine GmbH – AUSTRIA – www.austroengine.at 2. Technical Details Main bearing cap screw replacement • Perform the replacement of the main bearing cap screws in accordance with the instruction provided in the work instruction no. WI-MSB-E4-042 rev. 0 or latest approved revision. • Mark the service bulletin as executed on the Diamond partners portal ### Page 14 DOA no. EASA.21J.399 Mandatory Service Bulletin No. MSB-E4-042 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 First Issue Date Rev. No. Revision Date Page 31 01 2024 0 -- -- ---- 14-16 © 2024 by Austro Engine GmbH – AUSTRIA – www.austroengine.at 2.1. Illustrations None 2.2. Mass (weight) Not affected 2.3. Approval statement The technical content of this document is approved under the authority of the DOA ref. EASA. 21J.399. 3. Planning Information 3.1. Material & Special tools The list of materials and special tools is provided in the WI-MSB-E4-042, latest applicable revision. 3.2. Labour effort 8 hours for main bearing cap screws replacement according to WI-MSB-E4-042 4. Warranty Costs for labour and parts related to the applicability of this MSB will be covered by Austro Engine GmbH warranty under the limitations outlined in paragraph 3.2 and within the currently valid GTC. For engine units affected by this MSB and approaching end TBO/TBR deadline pro-rated solutions may be offered on a case-by-case basis. Diamond and Austro Engine GmbH GTCs are available at https://www.diamondaircraft.com/en/GTC ### Page 15 DOA no. EASA.21J.399 Mandatory Service Bulletin No. MSB-E4-042 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 First Issue Date Rev. No. Revision Date Page 31 01 2024 0 -- -- ---- 15-16 © 2024 by Austro Engine GmbH – AUSTRIA – www.austroengine.at 5. Remarks NOTE: o All measures must be carried out by a certified engine station and certified engine mechanics. o The accomplishment of the instructions shown under chapter 2 must be confirmed in the respective engine logbook. o The accomplishment of the instructions must be carried out within the time of compliance according to chapter 1.6 o In case of doubt, please contact Austro Engine GmbH via the Diamond Partner Portal o If you are not a Diamond Partner / Service Centre, please contact a Diamond/Austro Engine Authorized Service Centre near you. 6. Explanatory notes 6.1. Symbol explanation WARNING: Disregarding these safety rules can cause personal injury or even death CAUTION: Disregarding these special instructions and safety measures can cause damage to the engine or other components NOTE: Additional note or instruction for better understanding of an instruction ### Page 16 DOA no. EASA.21J.399 Mandatory Service Bulletin No. MSB-E4-042 Austro Engine GmbH Rudolf-Diesel-Strasse 11 A-2700 Wiener Neustadt Tel: +43 2622 23000 First Issue Date Rev. No. Revision Date Page 31 01 2024 0 -- -- ---- 16-16 © 2024 by Austro Engine GmbH – AUSTRIA – www.austroengine.at 7. Appendix I INTENTIONALLY LEFT IN BLANK --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.