As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OK TO INSTALL PANELS ON AFT CARGO BULKHEAD FOUND CORROSION LOCATED ON FLOOR BEAM, UPPER FLANGE LOWER FACE AT STA 1681.8, BETWEEN RBL12 AND RBL62. (015-14) ATA53. ACCOMPLISHED THE CATEGORY A REPAIR PER VT-SAA EA 757-5310-01-B0306 IR AND EO-92081-REQ1. R