As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C18 CHECK DISCOVERED DISBOND AREA, UPPER SURFACE OF LT INBOARD FORE FLAP, 34: FROM INBOARD END. MAINTENANCE REMOVED DISBOND AREA ON THE UPPER SURFACE OF THE LT INBOARD FORE FLAP IAW BOEING 737-300 SRM 51-20-10-2R. FABRICATED AND BONDED DOUBLER AND REPAIR FILLER ONTO THE UPPER SURFACE OF THE LT INBOARD FORE FLAP 34 INCHES FROM THE INBOARD END IAW BOEING 737-300 SRM 51-70-10-2R, REPAIR 4 FIG 203.