What was found
UPON GEAR SELECTION DOWN, NR 2 ENGINE HYDRAULIC LIGHT ILLUMINATED, GEAR DID NOT OPERATE. CREW COMPLETED EMERGENCY CHECK LIST, GEAR OPERATED NORMALLY, SYSTEM PRESSURE RETURNED TO NORMAL. REMOVED AND REPLACED NR 2 ENGINE DRIVEN HYDRAULIC PUMP. RETRACTION TEST CHECKED GOOD. AROUND RAN AIRCRAFT, LEAK AND OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. ACTT: 17,539:42 HOURS. ACTC: 18,668. (X)