# Lycoming Mandatory Service Bulletin 569: Revision A

- Rights: © Avco Corporation. Filed by the FAA in regulations.gov docket FAA-2006-24785; AD 2006-20-09, 2012-19-01 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.
- Document: [Lycoming Mandatory Service Bulletin 569](https://openairdocs.org/service-documents/lycoming/sb-569.md)
- Title as filed: U.S. DOT/FAA - Service Bulletin 569A
- Pages: 1
- PDF: https://openairdocs.org/files/sha256/2d/b9/2db99f0cac745e4c7aa9c236d85ed2491b7ef7f5290468324d3c8584b3c7afac
- Page: https://openairdocs.org/service-documents/lycoming/sb-569/file/2db99f0cac74

## Text

Each page's text from the PDF; open the PDF at a page with #page=N.

### Page 1

MANDATORY 
 
652 Oliver Street 
Williamsport, PA  17701  U.S.A.  
SERVICE BULLETIN 
 
Tel. 570-323-6181 
Fax. 570-327-7101 
www.lycoming.com 
 
May 27, 2009 
Supplement No. 1 
 
To 
 
Service Bulletin No. 569A 
 
 
Supplement No. 1 to Service Bulletin No. 569A is bei ng issued to correct an inconsistency between the 
engine models and spare cranksha fts in the “Models Affected” sect ion on Page 1 and the start date 
referenced for these stated items. 
not The correct start date of aff ected engine models and spare crankshafts is January 1, 1997, March 1, 
1997. This date change does not affect Tables 1-5 of affected engine and cranks haft serial numbers or 
Appendix 1 of affected crankshaft kit part numbers. 
If you have previously determined th at your engine or crankshaft was not affected by verifying that the 
serial numbers were not published in Service Bulletin No. 569A, then no further action is required. 
If you previously determined that your engine and/or  crankshaft was not affect ed only by using the start 
date of March 1, 1997, then your engine and/or crankshaft may be affected. Verify that your engine and/or 
crankshaft serial number is not pub lished in Service Bulletin No. 569A. If  your engine and/or crankshaft 
serial number is not published in Service Bulletin No. 569A, then no further action is required. If your 
engine and/or crankshaft serial number is published in Service Bulletin No. 569A , follow the instructions 
for compliance. 
ISSUED REVISED PAGE NO. REVISION 
MO DAY YEAR MO DAY YEAR 
 05 27 09 -- -- -- 1 of 1 -- 
©2009 by Lycoming “All Rights Reserved” 
Lycoming Engines, a division of AVCO Corporation, a wholly owned subsidiary of Textron Inc.

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