What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON NUMEROUS PLACES FROM FRAME 69 - 70, STRINGER 23L LOCATED AFT CORNER BEHIND L2 DOOR. REMOVED CORROSION AND VERIFIED BEYOND LIMITS. REMOVED AND REPLACED IAW SRM 53-41-17, FIG 001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON NUMEROUS PLACES FROM FRAME 69 - 70, STRINGER 23L LOCATED AFT CORNER BEHIND L2 DOOR. REMOVED CORROSION AND VERIFIED BEYOND LIMITS. REMOVED AND REPLACED IAW SRM 53-41-17, FIG 001.