Supersedes Service Instruction No. 1438
December 9, 2005
All four and six cylinder, dual magneto engines with rear mounted propeller governor drives.
TIME OF COMPLIANCE
Anytime the propeller governor is installed.
The use of a P/N LW-12347 propeller governor pad plate and two P/N 72053 gaskets on dual magneto engines with rear mounted propeller governor drives is necessary with some propeller governors to eliminate the possibility of oil leakage between the propeller governor and the accessory housing.
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