What was found
DURING C-4 CHECK, INSPECTION REPORTED AFT FUSELAGE FLOORBEAM AT STA 986.5 CORRODED ACROSS TOP. MAINTENANCE FABRICATED AND INSTALLED REPLACEMENT FLOOR BEAM PER SRM 53-00-51.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-4 CHECK, INSPECTION REPORTED AFT FUSELAGE FLOORBEAM AT STA 986.5 CORRODED ACROSS TOP. MAINTENANCE FABRICATED AND INSTALLED REPLACEMENT FLOOR BEAM PER SRM 53-00-51.