What was found
MCN - MAJOR REPAIR - DURING C16 CHECK, DISCOVERED THE UPPER AND LOWER SURFACE OF THE NR 3 SLAT DELAMINATED FROM SS 116.27L TO SS 124.27L. MAINTENANCE REMOVED DAMAGED AREA FROM THE UPPER AND LOWER SURFACE OF THE NR 3 SLAT IAW BOEING 737-300 SRM 51-70-10-2R4. FABRICATED REPAIR CORE AND REPAIR DOUBLER IAW BOEING 737-300 SRM 51-70-10-2R4. BONDED FABRICATED REPAIR PARTS TO THE UPPER AND LOWER SURFACES OF THE NR 3 SLAT FROM SS 116.27L TO SS 124.27L IAW BOEING 737-300 SRM 51-70-10-2R4 FIGS 201 AND 202.