As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C15 CHECK DISCOVERED THE UPPER AND LOWER SURFACE OF THE NR 5 SLAT WEDGE DISBONDED FROM SS 124.0R TO SS 129.0R. MAINTENANCE REMOVED THE DISBONDED SKIN IAW BOEING 737-300 SRM 51-70-10-2R4. FABRICATED REPAIR CORE AND DOUBLER IAW BOEING 737-300 SRM 51-70-10-2R4. BONDED REPAIR PARTS TO THE NR 5 SLAT WEDGE FROM SS 124.0R TO SS 129.0R IAW BOEING 737-300 SRM 51-70-10-2R4.