What was found
LT WING LEADING EDGE NR 1 SLAT HAD TOOL MARKS ON ANGLE INSIDE OF SLAT STRUCTURE, VIEWED WITH A BOROSCOPE THRU OUTBOARD DRAIN HOLE NEAR JACKSCREW. AREA WAS REPAIRED BY CUTTING OUT DAMAGE AND INSTALLING A FILLER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LT WING LEADING EDGE NR 1 SLAT HAD TOOL MARKS ON ANGLE INSIDE OF SLAT STRUCTURE, VIEWED WITH A BOROSCOPE THRU OUTBOARD DRAIN HOLE NEAR JACKSCREW. AREA WAS REPAIRED BY CUTTING OUT DAMAGE AND INSTALLING A FILLER.