As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO BAY BS 1701 BETWEEN S29L - 29R, FRAME HAS CORROSION. REMOVED CORROSION ON THE FRAME IAW SRM 51-10-02-0G. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-07-1A FIG 101 DET V. REMOVED & REPLACED THE FRAME IAW SRM 51-40-02-0G & DWG 146N1020. MAJOR REPAIR.