As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO BS 1661 S27 - 29L FRAME HAS CORROSION. REMOVED CORROSION IAW SRM 51-10-02-0G ORIGINAL MATERIAL 0.063 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-07-1A, FIG 101 .01" LOSS DET II R & R FRAME AT STA 1661 IAW SRM 51-40-02-0G AND DWG 146N1024, FROM S24L-S24R. CLASS A MAJOR REPAIR.