What was found
MCN - DURING C19 CHECK DISCOVERED 3 CRACKS AT FASTENERS LOCATED ON THE NR 2 SLAT BELOW OUTBOARD AUXILIARY TRACK FROM SS 211L TO SS 214L. MAINTENANCE TRIMMED OUT DAMAGED AREA ON THE NR 2 SLAT IAW BOEING 737-300 SRM 57-43-01-2R6. FABRICATED FILLER AND SPLICE PLATE IAW BOEING 737-300 SRM 57-43-01-2R6. INSTALLED FABRICATED REPAIR PARTS ON THE NR 2 SLAT BELOW OUTBOARD AUXILIARY TRACK FROM SS 211L TO SS 214L IAW BOEING 737-300 SRM 57-43-01-2R6.