As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-13 CHECK 19.5 INCH AREA OF THE NR 5 SLAT WAS FOUND DELAMINATED BETWEEN WS 234 AND WS 249. MAINTENANCE CUTOUT THE DAMAGED AREA OF NR 5 SLAT BETWEEN WS 234 AND WS 249; FABRICATED A FILLER AND DOUBLER; INSTALLED REPAIR IAW B737-300 SRM 51-70-10 PG 22, FIG 31.