What was found
AFTER GEAR SELECTED UP GEAR DISAGREE & GEAR DOOR EICAS ALSO DOOR LT NEXT TO GEAR INDICATOR LTS STAYED ON, RAN CHECKLIST , RETURNED TO CVG (<P>FOUND CENTER HYD SYSTEM ADP AT FAULT , REPLACED ADP ( LP 1018242 ITEM # 5 ) AND ASSOCIATED COMPONENTS I.A.W AMM 29-11-00 & AMM 29-11-03 OPS AND LEAK CHECK GOOD , PERFORMED GEAR SWING NO DEFECTS NOTED </P>)