What was found
UNDERFLOOR BS 559+48, RBL 9-27, FLOORBEAM HAS CORROSION, REMOVED AND REPLACED THE PLATE AT FS 559+48 BETWEEN LBL9 AND LBL27. IAW SRM 51-42-06, SRM 51-42-15, AND DWG 601R32215, REV. M, SHEET 8. COMPLIED WITH TASK CARD 51-900-1003-SKY. MAJOR REPAIR.