Service Bulletin No. 647
Posted Online: Dec 15, 2021 03:58 pm
Service Bulletin No. 647
Incorrect Markings on Service Tool# ST-310
December 14, 2021
MODELS AFFECTED
Lycoming Engines that have been inspected using the Incorrectly Marked Tool
TIME OF COMPLIANCE
Upon receiving this Service Bulletin
https://www.lycoming.com/sites/default/files/SB647-Incorrect_Markings_on_Service_Tool%23_ST-310.pdf
Service Bulletin No. 388C
https://www.lycoming.com/sites/default/files/Procedure%20to%20Determine%20Exhaust%20Value%20and%20Guide%20Condition.pdf
Incorrect Markings on Service Tool# ST-310
Wed Dec 15, 2021 8:02 pm
Incorrect Markings on Service Tool# ST-310
Incorrect Markings on Service Tool# ST-310
CFII, MEI, CFISES, ATPME, IA/AP, RPPL, Ski&Amphib ops, RHC mechanic cert, RHC SC— 3000TT
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