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 BS 727D+6 LBL 12 WL 156. REMOVED CORROSION AT RAIL BS 727D+6 WL 156 LBL 12. LOCATED AND INSTALLED REPAIR CHANNEL FROM ITEM P/N 7530199, IAW SRM 53-00-53-2R-2 57049U 10DEC2020. CORROSION REMOVED DIMENTION L=2.5' X W 1' X DEPT .0065 ORIGINAL THICKNESS .063 FOUND TO BE OUT OF LIMITS, PER SRM 53-00-53-1A-2 57049U 10DEC2020.