As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO BAY KEEL BEAM CHORD CORRODED AT STA 500 AT 1.5 INCHES I/B OF DRAIN HOLE. CUT OUT DAMAGED AREA. HFEC INSPECTED NO DEFECT NOTED. FABRICATED FILLER ANGLE SPLICE, LOCATED, DRILLED AND INSTALLLED IAW B737 400 SRM 53 30 12 REPAIR 2 FIG 201 AND ASA EA 5310 02822.