This Special Airworthiness Information Bulletin (SAIB) alerts you, owners, operators and maintenance personnel of an airworthiness concern for Piper PA-44-180 with Lycoming engine models O-360-A1H6, LO-360-A1H6 and Cessna 172R and S with Lycoming engine model IO-360-L2A installed, other engines and aircraft models may also be affected.
At this time, this airworthiness concern has not been determined to be an unsafe condition that would warrant AD action under Title 14 of the Code of Federal Regulations (14 CFR) part 39.
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