What was found
FLT NR 3421 - ON CLIMB-OUT, WHEN GEAR WAS SELECTED UP, THE MASTER CAUTION LIGHT, NR 2 ENGINE HYDRAULIC PUMP, OUTBOARD ROLL SPOILER, RUD PRESS NR 2 AND RUD FULL PRESS LIGHTS ILLUMINATED. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED A RUPTURED HYDRAULIC LINE ON THE NLG ACTUATOR. ALL CHECKS SATISFACTORY. (M)