What was found
RETURNED TO DAL DUE TO NR 3 SLAT STUCK IN TRANSIT POSITION, VISUALLY CONTINUED PARTIALLY EXTENED IN FLAPS 1/5 POS. WITH T/E FLAPS AT POS 15 ALL LEADING EDGE SLATS WENT FULL EXTEND. REMOVED AND REPLACED NR 3 SLAT ACTUATOR PER M/M. LEAK CK OK. REMOVED AND REPLACED NR 3 SLAT PER M/M. OPS CK OK PER M/M, PN:65-46423-251 S/N OFF:BN62, PN:65-46423-269 S/N ON:BN297, PN:65-44651-16 S/N OFF:2579T, S/N ON:2103T.