As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-16 CHECK A 1.75 INCH CRACK WAS FOUND ON LT WING LEADING EDGE FORMER AT WS 222.7, JUST INBOARD OF NR 1 PYLON. MAINTENANCE CUT OUT DAMAGE ON LT WING LEADING EDGE FORMER AT WS 222.7 AND PERFORMED A HFEC INSPECTION TO VERIFY NO CRACKS EXIST; FABRICATED A FILLER AND REPAIR ANGLE; INSTALLED REPAIR PARTS IAW B737-200 SRM 53-40-03 FIG 1 PG 1-6.