As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK*** PASSENGER CABIN CF III FLOOR STRUCTURE, CORROSION FOUND AT MIDDLE SHEAR PNL AND GALLEY SUPPORT BTW FR 87-88 AND BTW RBL 12"-LBL 12". PASSENGER CABIN CF III FLOOR STRUCTURE, MIDDLE SHEAR PANEL AND GALLEY SUPPORT BTW FR 87-88 AND BTW RBL 12"-LBL 12" REPLACED IAW SRM 51-43-03 AND 51-42-03. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.