As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEP CTR HYD DEMAND EICAS ON FOR GEAR RETRACTON THEN AGAIN FLAPS 5-1. NOTED HISTORY FOR THIS PROBLEM. NEEDS MORE TROUBLESHOOTING. INF- SUSPECT ADP OUTPUT IS MARGINAL DURING HIGH DEMANDS AND MOST LIKELY WILL NEED REPLACED. -CQT- :ADP PCN IS 643-9064, ONE IN STOCK HNL. REPLACED CENTER HYD ADP PER AMM.