As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-18 CHECK, FOUND THE LT INBOARD MID FLAP WEDGE DELAMINATED AT THE OUTBOARD END BETWEEN WBL 164 AND WBL 168. MAINTENANCE REMOVED DAMAGED SKIN ON LT INBOARD MID FLAP WEDGE; FABRICATED A FILLER AND REPAIR DOUBLER; BONDED REPAIR PARTS TO MID FLAP WEDGE IAW B737-300 SRM 51-70-10, FIG 30.