As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RAIL AT AFT CARGO BAY BS773 LBL12 WL157. / REMOVED CORROSION FROM ACB RAIL MEASURED 2.4'L X 0.9'W X 0.026' DEEP FOUND OUT OF LIMITS PER SRM 53-00-53-1A-2 REMOVED DAMAGED ACB RAIL AREA PER SRM 53-00-53-2R-2. NDI VERIFIED CUTOUT CRACK FREE RECEIVED REPLACEMENT RAIL CHANNEL; LOCATED AND DRILLED PER SRM 53-00-53-2R-2. INSTALLED REPAIR RAIL CHANNEL PER SRM 53-00-53-2R-2 57627U 20MAY21