What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON FRAME 20, STRINGER 23 AFT DOOR ANGLE AND BEAM. REMOVED AND REPLACED THE ANGLE & BEAM IAW SRM 51-42-11, PAR E, F, & SRM 51-72-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON FRAME 20, STRINGER 23 AFT DOOR ANGLE AND BEAM. REMOVED AND REPLACED THE ANGLE & BEAM IAW SRM 51-42-11, PAR E, F, & SRM 51-72-11.