What was found
FAT - DURING FERRY FLT OPERATION, LT ENGINE LOW OIL PRESS LIGHT ILLUMINATED. CREW SECURED LT ENGINE. A/C LANDED WITHOUT INCIDENT. MX INSPECTED LT ENGINE FOR SOURCE OF OIL LEAK. UNABLE TO IDENTIFY SOURCE OF LEAK ON WING. REMOVED AND REPLACED LEFT ENGINE. AIRCRAFT RETURNED TO SERVICE. DURING INSPECTION OF REMOVED ENGINE IN SHOP ENVIRONMENT. MX DISCOVERED SOURCE OF OIL LEAK TO BE PPC COVER GASKET. (M)