DATE RELEASED: November 1, 2009 TITLE: YIO-390-B Parts Catalog DOCUMENT PART NUMBER: PC-409-2

DATE RELEASED: March 1, 2016 TITLE: YO-233-B2A Parts Catalog DOCUMENT PART NUMBER: PC-YO-233-B2A

DATE RELEASED: November 1, 2009 TITLE: YIO-390-B Operations & Installation Manual DOCUMENT PART NUMBER: 60297-37

This is a routine test, please disregard. Thank you!

DATE: August 4, 2017 MODELS AFFECTED: (1) Engines with a serial number listed in Table 1 of this Service Bulletin (2) Engines that have been overhauled or repaired that could contain connecting rod assemblies or connecting rod bushings shipped from Lycoming during dates identified in Table 2 of this Service Bulletin TIME OF COMPLIANCE: Within the next 10 hours of engine operation REASON FOR...

DATE: August 15, 1986 MODELS AFFECTED: All Avco Lycoming piston engines. TIME OF COMPLIANCE: When assembling cylinder(s) to engines.

Information: On page 7 of 9 of Service Instruction No. 1029D, the first sentence of step 8, should read as follows: 8. Using the same sequence as described in paragraphs 5 and 6, and shown in Figure 12, check all 1/2 inch nuts for tightness by bringing torque to 600 in. lb. (50 ft. lb.).