As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK, DISCOVERED LT WW UPPER PRESS DECK FLOOR OTBD CORNER AFT SUPPORT & FRAME STATION 618 HAS SIGNS OF HEAVY EXFOLIATION. REPAIRED LT WHEEL UPPER PRESS DECK FLOOR AT FRAME 618 BY INSTALLING A NEW DOUBLER & FASTENERS IAW SRM 53-30-00.