What was found
DURING C4/S1 CHECK, INSPECTION REPORTED NUT CLIP AREA CORRODED ON FLOORBEAM Y1732 AT FR 66, FWD OF L-2 DOOR FRAME. REMOVED FASTENERS FROM L-2 DOOR SILL IAW A319 SRM 51-42-11, PARA. 5. REPLACED L2 DOOR SILL IAW A319 SRM 51-42-11, SRM 51-75-12, SRM 51-44-11, AND AMM 51-78-00-615-005.