What was found
CORROSION AND CRACK ON CABIN FLOORBEAM AT BS 621, LBL 27-43. AIRCRAFT REMOVED FROM SERVICE. BLENDED CORROSION, REMOVED AND REPLACED THE SECTION OF ANGLE. HFEC PERFORMED WITH NO INDICATIONS IAW NDT 51-20-06 REV 44 PART 1. RESTORED SURFACE FINISH. WORK WITHIN LIMITS WAS PERFORMED IAW SRM 53-00-00, REV 39, SRM 51-21-06, REV 39, SRM 53-61-43, REV 39, SRM 51-11-00, REV 39, SRM 51-21-11, REV 39, AND SRM 51-40-11. REV 39.