What was found
SHORTLY AFTER TAKEOFF FROM AN OFFSHORE PLATFORM IN THE GULF OF MEXICO, THE NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED AND THE NR 1 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE. THE FLIGHT CREW SECURED THE NR 1 ENGINE AT WHICH TIME THE FIRE WARNING LIGHT EXTINGUISHED AND FLEW TO THE NEAREST AIRPORT AND EXECUTED A 'SINGLE ENGINE' RUN-ON LANDING. EXAMINATION OF THE ENGINE REVEALED THAT ONE OF THE ATTACHMENT EARS ON THE ENGINE'S INTERNAL OIL FILTER CAP HAD FRACTURED CAUSING THE ENGINE TO LOSE ALL OF THE OIL.