As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED LT ENGINE OIL PRESSURE WARNING AND OIL PRESSURE FLUCTUATING BETWEEN 24 & 45 PSI. PILOT SHUT DOWN THE ENGINE. MAINTENANCE FOUND THAT THE ENGINE REQUIRED 5 LITERS OF OIL. NO EXTERNAL LEAK FOUND. ENGINE RUN CARRIED OUT AND LEAKAGE FOUND FROM IDG DRIVE PAD CARBON SEAL.CARBON SEAL REPLACED.