What was found
AFTER TAKEOFF, DURING GEAR RETRACTION, NR 2 ENGINE HYD PUMP CAUTION LIGHT CAME ON. QUANTITY GOOD, GEAR RETRACTED SLOWER THAN NORMAL, 15 SECONDS OR SO, ALSO LIGHT CAME ON DURING SUBSEQUENT GEAR EXTENSION. MAINTENANCE BLEED AIR FROM SYSTEM, SERVICED HYD QUANTITY. RETURNED AIRCRAFT TO SERVICE.