What was found
DTW/PIT - FLT 992 - ON APPROACH, THE NR 1 OIL QUANTITY STARTED TO VARY AND OIL PRESSURE STARTED TO DROP. SHUT ENGINE DOWN. SINGLE ENGINE TIME 10 MINUTES. REPLACED LEFT ENGINE OIL FILTER CAVITY SLEEVE O-RING. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DTW/PIT - FLT 992 - ON APPROACH, THE NR 1 OIL QUANTITY STARTED TO VARY AND OIL PRESSURE STARTED TO DROP. SHUT ENGINE DOWN. SINGLE ENGINE TIME 10 MINUTES. REPLACED LEFT ENGINE OIL FILTER CAVITY SLEEVE O-RING. (X)