As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT BEAM AT FS 280 HAS OBVIOUS CORROSION DAMAGE BENEATH CORROSION CAP FROM LBL 9 TO LBL 18. REMOVED CORRODED LT FLOORBEAM AND INSTALLED A NEW FLOORBEAM IAW SRM 51-42-06-001-001-A01, 51-42-15-001-001-A01 AND 51-42-22-001-001-A01. REPAIRED LT FS 280 WEB IAW REO:670-53-11-594, REV A DATED 06/26/1. THIS IS A MAJOR REPAIR.