As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND CORROSION AT NUTPLATES AT NUMEROUS LOCATIONS AT FLOOR STRAP, AFT CARGO BAY; BS 727D-5; LBL 40; WL 156. REMOVED STRAP, FOUND DAMAGED FLOOR BEAMS, REMOVED DAMAGED AREAS OF FLOOR BEAMS AND REPAIRED IAW SRM 53-0-53. (X)