What was found
VALVE GUIDE WORN EXCESSIVELY AND WOULD NOT PASS COMPRESSION CHECK. OPERATOR STATED ENGINE NEVER WAS OVERTEMPED AND WAS NOT USING AUTO FUEL. VALVE GUIDE WAS REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VALVE GUIDE WORN EXCESSIVELY AND WOULD NOT PASS COMPRESSION CHECK. OPERATOR STATED ENGINE NEVER WAS OVERTEMPED AND WAS NOT USING AUTO FUEL. VALVE GUIDE WAS REPLACED.