What was found
HYDRAULIC PUMP 3B CAUTION MESSAGE UPON FLAP SELECTION, COMPLIED WITH QRH. UPON GEAR SELECTION, NOSE DOOR OPENED & GEAR DISAGREE MESSAGE. GEAR CAME DOWN & LANDED NORMALLY. FLT#5658 REPLACED 3B ACMP & NR 3 HYDRAULIC SYSTEM RESERVOIR IAW AMM. PERFORMED ALTERNATE GEAR SWING & NUMEROUS NORMAL GEAR SWINGS IAW AMM. OPERATIONS CHECKED GOOD. PN 601R75154-7, SN MX-543060, PN OFF 848847, SN OFF MX645168, PN 7303-1, SN 215A, SN OFF 1105A.