What was found
DURING C-4 CHECK, INSPECTION REPORTED FLOORBEAM AT STA 947.5 CORRODED AT FLOOR PANEL NUT PLATES. REPAIRED FLOORBEAM UPPER CHORD PER SRM 53-00-51, 51-40-02, 51-20-01 AND MM 51-21-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-4 CHECK, INSPECTION REPORTED FLOORBEAM AT STA 947.5 CORRODED AT FLOOR PANEL NUT PLATES. REPAIRED FLOORBEAM UPPER CHORD PER SRM 53-00-51, 51-40-02, 51-20-01 AND MM 51-21-01.