As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING NR 4 SLAT TRAILING EDGE WEDGE LOWER SURFACE CHAFED THROUGH IN TWO PLACES ON AFT EDGE ONE EACH AT INBOARD AREA AND 1 EACH AT ACTUATOR AREA. PREPARED DAMAGED AREA. FABRICATED FILLERS AND DOUBLERS AND BONDED IAW B737 400 SRM 51 70 10 REPAIR NR 4.