What was found
IAH - FLT NR 2786 - DURING TAKEOFF, THE PILOT REPORTED THAT THE NR 2 ENGINE OIL PRESSURE STARTED TO FLUCTUATE. THE CREW SHUTDOWN THE ENGINE AND RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE NR 2 ENGINE AND FOUND A CUT O-RING UNDER THE RGB COVER PLATE FOR AN MEL'D PROPELLER BRAKE SYSTEM, (REF CONTINENTAL EXPRESS SDR CONTROL NR C2XA96IA057). MAINTENANCE REMOVED AND REPLACED THE O-RING AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)