What was found
(CAN) THE #1 ENGINE WAS SHUTDOWN FOLLOWING THE LOSS OF MAIN OIL PRESSURE, WHICH WAS SUBSEQUENTLY FOUND TO BE CAUSED BY DAMAGED THREADS ON A PLUG ON THE REDUCTION GEARBOX.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) THE #1 ENGINE WAS SHUTDOWN FOLLOWING THE LOSS OF MAIN OIL PRESSURE, WHICH WAS SUBSEQUENTLY FOUND TO BE CAUSED BY DAMAGED THREADS ON A PLUG ON THE REDUCTION GEARBOX.