What was found
"DOT 143-036" FLIGHT DECK/COURIER AREA FLOOR STRUCTURE JUMP SEAT, L/H SEAT TRACK AT F/S 350 HAS DEEP DRILL START HOLE AND DEEP SCRATCHES FABRICATED SEAT TRACK IAW SRM 53-00-52-2R DETAIL I AND REMOVED AND REPLACED IAW SRM 53-00-52-2R, FIG. 201-OPTION 1 SHEET 3, MAJOR REPAIR.