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-14 CHECK THE UPPER SURFACE SKIN OF THE LT INBOARD FORE FLAP WAS FOUND DELAMINATED BETWEEN WBL 136 AND WBL 154. MAINTENANCE CUTOUT DAMAGE IN UPPER SURFACE SKIN OF THE LT INBOARD FORE FLAP FROM WBL 141.274 TO 154.275; FABRICATED A CORE FILLER AND DOUBLER; BONDED REPAIR PARTS TO FLAP IAW B737-300 SRM 51-70-10.