What was found
SEA - DURING C-CHECK, THE FLOORBEAM UPPER CHORD AT STATION 344 WAS FOUND TO BE CORRODED ON THE LOWER SURFACE OF THE HORIZONTAL FLANGE AT LBL 40. REPAIRED PER EA 5310-01519. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA - DURING C-CHECK, THE FLOORBEAM UPPER CHORD AT STATION 344 WAS FOUND TO BE CORRODED ON THE LOWER SURFACE OF THE HORIZONTAL FLANGE AT LBL 40. REPAIRED PER EA 5310-01519. (M)