What was found
DURING C-CHECK, FOUND LEVEL 2 CORROSION AT AFT LWR CARGO COMPARTMENT BULKHEAD DOOR SILL, STA 1540, LONG 53L. CUT CORRODED AREA, REPAIRED IAW DC-8 SRM 53-2-0, FIG 2 SHT 4, 6 AND 7. TREATED AND INSTALLED REPAIRED PARTS IAW DC-8 SRM 51-1-8, 51-1-17, 51-1-21.