As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS-ELP - FLT 976 - AIR TURNBACK - ON CLIMB-OUT AIRCRAFT LOST NR 1 ENGINE OIL PRESSURE. CREW SHUT ENGINE DOWN AND RETURNED TO LAS WITHOUT FURTHER PROBLEMS. MAINTENANCE FOUND STRIPPED THREADS ON BANJO FITTING OF GEAR BOX, JUST ABOVE THE MAIN OIL FILTER. MAINTENANCE REMOVED AND REPLACED FITTING LP5 BOSS AND BANJO FITTING. LEAK CHECK ON RUNUP NORMAL. AIRCRAFT RETURNED TO SERVICE. (Z)