Service Bulletin No. 585
Incorrect Exhaust Valve Rotator Cap Shipped with Cylinder Kits P/N 05K21119, 05K21121, and 05K21122
DATE: March 17, 2009
MODELS AFFECTED
Rebuilt, overhauled, or repaired Lycoming engines with the following cylinder kits installed:
| Engine Model | Cylinder Kit |
| O-320-H2AD | 05K21119 |
| (L)O-360-E1A6D | 05K21121 |
| (L)TO-360-E1A6D | 05K21122 |
All Cylinder Kits P/N 05K21119, 05K21121, and 05K21122 that were shipped between November 20, 2008 and February 12, 2009.
TIME OF COMPLIANCE
For uninstalled cylinder kits—immediately. Engines with affected cylinder kits - at the next scheduled maintenance event, or at annual inspection, whichever occurs first.
Lycoming Engines has determined that a quantity of Cylinder Kits with the incorrect exhaust valve rotator caps may have been shipped from November 20, 2008 through February 12, 2009.
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