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-05 CHECK, FOUND THE UPPER SURFACE OF THE NR 3 SLAT WEDGE DELAMINATED AT INBOARD END, SLAT STA 14. MAINTENANCE CUTOUT DAMAGE IN UPPER SURFACE OF NR 3 SLAT WEDGE FROM SS 12.25 TO SS 15.25; FABRICATED A CORE FILLER AND DOUBLER; BONDED REPAIR PARTS TO SLAT IAW B737-300 SRM 51-70-10, FIG 16.