As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF LOW OIL PRESSURE FOR ENGINE NUMBER 1. LANDED WITHOUT INCIDENT. MAINTENANCE DECLARED ENGINE CHANGE. SUPPLEMENTAL ACTION: SECT. 4 AND 5: REMOVED AND REPLACED LEFT ENGINE IAW JOB CARD 26L40071004. ENGINE HAD EXTENSIVE CORROSION ON ITS INTERNAL PARTS. (CLOSED)