May 6, 1957 MODELS AFFECTED: All Lycoming opposed series aircraft engines. TIME OF COMPLIANCE: During periodic inspection of the engine. (100 hour intervals, or more often at discretion operator.)

DATE RELEASED: June 1975 TITLE: O-340 Operator's Manual DOCUMENT PART NUMBER: 60297-3 MODELS AFFECTED: O-340-A1A, O-2440-A2A, O-340-B1A

DATE RELEASED: May 1998 TITLE: VO-435 & TVO-435 Operator's Manual DOCUMENT PART NUMBER: 60297-8 MODELS AFFECTED: VO-435-A1B, VO-435-A1C, VO-435-A1E, VO-435-A1D, VO-435-A1F, VO-435-B1A, TVO-435-A1A, TVO-435-B1A, TVO-435-D1A, TVO-435-D1B, TVO-435-F1A, TVO-435-G1A

DATE RELEASED: September 2008 MODELS AFFECTED: O-235-C1, O-235-C1B, O-235-C1C, O-235-C2A, O-235-C2C, O-235-F2A, O-235-F2B, O-235-H2C, O-235-J2A, O-235-K2A, O-235-K2B, O-235-K2C, O-235-L2A, O-235-L2C, O-235-M1, O-235-N2A, O-235-N2C, O-235-P2A, O-290-D, O-290-D2, O-290-D2B, O-290-D2C

DATE RELEASED: March 2009 MODELS AFFECTED: O-540-A1A, O-540-A1A5, O-540-A1B5, O-540-A1C5, O-540-A1D, O-540-A1D5, O-540-A2B, O-540-A3D5, O-540-A4B5, O-540-A4D5, O-540-B1A5, O-540-B1B5, O-540-B2B5, O-540-B2C5, O-540-B4B5, O-540-E4A5, O-540-E4B5, O-540-E4C5, O-540-G1A5, O-540-G2A5, O-540-B2B5, O-540-B2C5, O-540-B4B5, O-540-E4A5, O-540-E4B5, O-540-E4C5, O-540-G1A5, O-540-H1B5D, O-540-H2B5D, O-540-F1B5...

DATE RELEASED: October 2005 TITLE: O-360, HO-360, IO-360, AIO-360, HIO-360 & TIO-360 Operator's Manual DOCUMENT PART NUMBER: 60297-12 & 60297-12-5 MODELS AFFECTED: AIO-360-A1A, AIO-360-A1B, AIO-360-B1B, HIO-360-A1A, HIO-360-B1A, HIO-360-A1A, HIO-360-A1B, HIO-360-B1A, HIO-360-B1B, HIO-360-C1A, HIO-360-C1B, HIO-360-D1A, HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD, HIO-360-G1A, O-360-A1A, O-360-A1AD, O...

DATE RELEASED: December 1999 TITLE: VO-360 & IVO-360 (Helicopter) Operator's Manual DOCUMENT PART NUMBER: 60297-11 MODELS AFFECTED: O-360-A1A, VO-360-A1B, IVO-360-A1A, VO-360-B1A

DATE RELEASED: March 2010 TITLE: Special Service Tools DOCUMENT PART NUMBER: SSP-384 2nd Edition

DATE RELEASEED: December 2007 TITLE: TIO-541 Operator's Manual DOCUMENT PART NUMBER: 60297-13 MODELS AFFECTED: TIO-541-A1A, TIO-541-E1A4, TIO-541-E1B4, TIO-541-E1C4, TIO-541-E1D4