As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLES CORROSION AREAS FOUND AT MAIN CABIN AFT FLOOR DECK FROM BS 1720 TO BS 1680 AND BETWEEN BL0 TO LBL 50. REFER TO AMDS W/C 5100-01627-01. FOUND SPOTS OF CORROSION BETWEEN BS 1708 TO 1720, LBL 50 TO RBL 50 OUT OF LIMITS IAW SRM 53-60-51, FIG 101. WORK IN PROGRESS. LP1968307.