As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FRAME STA 1460 BTW STGR 28L TO 28R BILGE AREA AT AFT CARGO COMPARTMENT. CORROSION LEVEL 2. FRAME STA 1460 BTW STGR 28L TO 28R BILGE AREA AT AFT CARGO COMPARTMENT WAS REPAIRED PER ERA 634167-14 REV ORIGINAL SECTION I: REPAIR INSTRUCTIONS AND PRI 634167-14 REV 0 TO REV 5. (1585439) AIRCRAFT WAS GROUNDED