What was found
(CAN) DURING OIL FILTER REPLACEMENT, THE OIL FILTER WAS FOUND COLLAPSED. COLD WEATHER OPERATION IS THE SUSPECTED CAUSE. LYCOMING SERVICE BULLETIN #1442 COMPLIED WITH TO PREVENT REOCCURRENCE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING OIL FILTER REPLACEMENT, THE OIL FILTER WAS FOUND COLLAPSED. COLD WEATHER OPERATION IS THE SUSPECTED CAUSE. LYCOMING SERVICE BULLETIN #1442 COMPLIED WITH TO PREVENT REOCCURRENCE.