As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT WET AREA 986 FLOORBEAM CORRODED IN MULTIPLE AREAS. MARKED IN RED. GROUNDED - YES. FLOORBEAM HAS MORE THAN 50% MATERIAL LOSS.OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1.REMOVED DAMAGED UPPER CHORDS AND REPAIRED WITH FLOORBEAM REPAIR IAW B737-800 SRM 53-70-51-2R-4 REPAIR 4 ALTERNATIVE 1.