What was found
DURING SCHEDULED SERVICE CHECK, NR 4 FLAP TRANSMISSION TO 120 DEGREE GEARBOX TORQUE TUBE WORN. REMOVED AND REPLACED TORQUE TUBE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED SERVICE CHECK, NR 4 FLAP TRANSMISSION TO 120 DEGREE GEARBOX TORQUE TUBE WORN. REMOVED AND REPLACED TORQUE TUBE PER MM.