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 2 CRACKS WERE FOUND ON NR 6 SLAT LOWER SKIN BELOW ACTUATOR WBL 440.98 RT. MAINTENANCE CUT OUT DAMAGE ON NR 6 SLAT LOWER SKIN WBL 440.98 RT; FABRICATED A FILLER AND SPLICE PLATE; INSTALLED REPAIR PARTS IAW B737-300 SRM 57-43-01 FIG 201 PG 216-219.