As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING 8-DAY CHECK ,THE LOWER SURFACE OF LT WING INBOARD MID FLAP TRAILING EDGE WEDGE WAS FOUND DELAMINATED 14" FROM OUTBOARD END, BETWEEN WBL 169 AND WBL 176. MAINTENANCE CUTOUT DAMAGED AREA OF LOWER SURFACE OF LT WING INBOARD MID FLAP TRAILING EDGE WEDGE; FABRICATED A FILLER AND DOUBLER; BONDED REPAIR PARTS TO MID FLAP IAW B737-300 SRM 51-70-10, FIG 30.