What was found
FLOOR STRUCTURE CROSS BEAM FOUND CRACK AT FR 23, Y-450 9.5" CUT OUT THE DAMAGED AREA AND REWORKED THE REPAIR AREA. THEN INSTALLED REPAIR ANGLE AND FILLER WITH FASTENERS FOR REPAIR. I.A.W A300-600F SRM 53-10-15-201, PARA.15, PAGE.393~400, FIG.212 AND 51-40-21-001, PARA.7, PAGE.24~50. THIS REPAIR CLASSIFIED AS CAT.A MAJOR PER GMM 6-2-100. AT FLOOR STRUCTURE CROSSBEAM FR23, Y-450 9.5" POSITION.