What was found
INVESTIGATION FOR CAUSE OF FLAP GEAR BOX FAILURE FOUND POOR TEETH ENGAGEMENT OF GEARBOX TEETH AND MOTOR GEAR TEETH.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INVESTIGATION FOR CAUSE OF FLAP GEAR BOX FAILURE FOUND POOR TEETH ENGAGEMENT OF GEARBOX TEETH AND MOTOR GEAR TEETH.