What was found
CREW REPORTED DURING GEAR RETRACTION, CTR ADP DEMAND PUMP LOW PRESS LIGHT ILLUM WITH ASSOCIATED EICAS. CREW PLACED CTR DEMAND PUMP SWITCH TO AUTO, LOW PRESS LIGHT REMAINED ILLUMINATED. CREW PLACED CTR DEMAND PUMP SWITCH TO "ON" AND LOW PRESS LIGHT REMAINED ON FOR REMAINDER OF FLT. CREW ALSO REPORTED THIS IS NOT AN IND PROBLEM, DUE TO GEAR TAKING LONGER THAN NORMAL TO RETRACT. ACCOMPLISHED FIM 29-11-00 -PG127.ADP INOP IN AUTO MODE. REPLACED RELAYS K684 K153 PER IPC 29-11-10-002. REMOVED AND REPLACED CENTER HYD ADP IAW AMM. LEAK AND OPS CHK GOOD.