What was found
INFLIGHT SHUT DOWN/AIR TURNBACK/DECLARED EMERGENCY. LOUD BANG HEARD IN COCKPIT FOLLOWED BY FAILURE OF THE NR 1 ENGINE. REMOVED AND REPLACED NR 1 ENGINE PER MT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INFLIGHT SHUT DOWN/AIR TURNBACK/DECLARED EMERGENCY. LOUD BANG HEARD IN COCKPIT FOLLOWED BY FAILURE OF THE NR 1 ENGINE. REMOVED AND REPLACED NR 1 ENGINE PER MT.