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-15 CHECK, THE LOWER RT INBOARD FORE FLAP WAS FOUND DISBONDED JUST OUTBOARD OF THE CENTER MID FLAP TRACK BETWEEN WBL 120.5 AND WBL 121.5. MAINTENANCE CUTOUT DAMAGE IN LOWER RT INBOARD FORE FLAP OUTBOARD OF CENTER MID FLAP TRACK; FABRICATED A FILLER AND DOUBLER; BONDED REPAIR PARTS TO FLAP IAW B737-300 SRM 51-70-10, FIG 30.