Service Bulletin No. 623
Reprint of Hartzell Engine Technologies
February 3, 2016
All Lycoming engines equipped with Alternator Part Number LW-14326 or LW-14338.
TIME OF COMPLIANCE
50 hours from the issue date of this Service Bulletin or the next regularly scheduled maintenance event (whichever occurs first.)
This Service Bulletin is notification of required action for mandatory compliance with Hartzell Engine Technologies Service Bulletin SB-062 dated July 13, 2015, regarding Lycoming engine models (Table 1) with alternator part number LW-14326 or LW-14338 approved for use on Lycoming engines.
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