What was found
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED CORROSION (C53-224-01.05-01), ON FLOORBEAM STA 312 LBL 48 TO LBL 0 WL 208 AROUND NUTPLATE HOLES. REMOVED AND REPLACED FLOORBEAM IAW UPS SRM 53-10-8, 51-10-6, 53-10-1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED CORROSION (C53-224-01.05-01), ON FLOORBEAM STA 312 LBL 48 TO LBL 0 WL 208 AROUND NUTPLATE HOLES. REMOVED AND REPLACED FLOORBEAM IAW UPS SRM 53-10-8, 51-10-6, 53-10-1.