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-18 CHECK, THE LOWER SURFACE OF NR 1 SLAT WEDGE WAS FOUND DELAMINATED FROM SLAT STA 358 TO 369. MAINTENANCE REMOVED DAMAGE FROM LOWER SURFACE OF NR 1 SLAT WEDGE; FABRICATED A FILLER AND DOUBLER; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-70-10, FIG 30.