What was found
FTW - FOUND CABIN FLOORBOARD LEFT, INBOARD STATION 465 TO 525, LOWER SIDE STIFFENERS CRACKED, INBOARD, OUTBOARD AND ONE IN CENTER SKIN HAS SURFACE CORROSION AND BARE METAL. REMOVED HAT CHANNELS. FABRICATE 4 HAT CHANNELS. INSTALLED HAT CHANNELS AND INSULATION BLANKETS IAW DC9 SRM 53-05-0. (M)