June 17, 2016
Lycoming engine models TIO-540-S1AD, IO-540-K1G5, and IO-540-K1G5D
TIME OF COMPLIANCE
When necessary to replace engine mounting brackets
REASON FOR REVISION
Part number corrections in Table 1
This Service Instruction identifies part numbers for replacement sets of engine mounting brackets for Lycoming engine models TIO-540-S1AD, IO-540-K1G5 and IO-540-K1G5D in Piper PA-32 series aircraft. Different sets of engine mounting brackets were used in Piper aircraft model years up to and including 1980 than those installed on Piper aircraft since 1981.
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