As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RETURN FLIGHT FROM (MYNN) INBOUND TO TMB, BETWEEN BIMINI AND MIAMI LT ENGINE OIL PRESSURE STARTED FLUCTUATING. PILOT PERFORMED PRECAUTIONARY ENGINE SHUT DOWN ON LT ENGINE. NO OTHER OCCURENCES. FINDINGS: OIL FLUCTUATING DUE TO LOSS OF OIL THROUGH HYDRAULIC PUMP ACCESSORY DRIVE GARLOC SEAL. NEW HYDRAULIC PUMP ACCESSORY DRIVE GARLOC SEAL INSTALLED.