What was found
AIR TURNBACK, NR 1 ENGINE HAD UNCOMMANDED ACCELERATION. REMOVED AND REPLACED NR 1 ENGINE MEC & PMC PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, NR 1 ENGINE HAD UNCOMMANDED ACCELERATION. REMOVED AND REPLACED NR 1 ENGINE MEC & PMC PER MM.