What was found
CABIN FLOOR INTERCOSTAL CRACKED AT FASTENER HOLE B.S. 312+9' LBL.45' W.L.208. (51-002)<[01] APPLIED EWIS PROTECTION TO CABIN FLOOR STA 312+9 LBL 45' AS PER AMM 20-60-07-913-801; REMOVED FASTENERS FROM CABIN FLOOR INTERCOSTAL STA 312+9' LBL.45' AS PER SRM 51-40-02; LOCATED AND DRILLED HOLES FOR CABIN FLOOR INTERCOSTAL STA 312+9 LBL 45' AS PER SRM 51-40-05; INSTALLED NEW INTERCOSTAL AT MAIN CABIN FLOOR STA 312+9 LBL 45' AS PER SRM 51-40-02 AND DWG# 141A5400; REMOVED EWIS PROTECTION FROM CABIN FLOOR STA 312+9 LBL 45' AS PER AMM 20-60-07-913-801.;[02] VERIFIED; STEP # 1.