As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPARTMENT FLOOR, RIGHT SIDE TRANSITION PANEL CORRODED NUMEROUS PLACES BS 727I + 9 - BS 747, RBL 20 - 22. GROUNDED - YES. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-00-53-1A-2. ORIGINAL MATERIAL THICKNESS IS 0.040 IN, REMAINING THICKNESS IS 0.033 IN, REMOVED 0.007 IN. ACCOMPLISHED SPLICE REPAIR TO RT TRANSITION PANEL FROM APPROX STA 727K +13 TO STA 767 IAW SRM 53-00-53-2R-5.