As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KHH - FLT 994 - L/P 7916155 - AFTER TAKEOFF, NR 1 ENGINE OIL PRESSURE WAS ABOVE RED LINE. WHEN THROTTLE RETARDED, OIL PRESSURE DECREASED. FLIGHT CREW REDUCED POWER AND AIR RETURNED TO KHH. MAINTENANCE REMOVED AND REPLACED THE OIL PRESSURE RELIEF VALVE AND OIL RPESSURE TRANSMITTER PER MM 79-32-1 AND ENGINE GROUND RUN, OPERATIONAL CHECK WAS NORMAL. (X)