What was found
DURING HEAVY CHECK, RAZOR MARKS ON CROSSBEAM AT FRAME 17 BETWEEN LT AND RT FF1 SEAT TRACK BEAMS. MX REMOVED CORRODED UPPER FLANGE 20 MM X 300 MM AND INSTALLED FILLER AND REPAIR DOUBLER IAW ETD 2014-170-089910, ISSUED DMI R54728/1 FOR REPAIR INSPECTION TASK 53-10-027-0001 INTERNAL GVI THRESHOLD OF 25202, F/C INTERVAL OF 25202, F/C ISSUED DAMAGE TRACKER NR 3 IAW GMM 5.16.1.