What was found
ATB - AFTER RAISING THE GEAR HANDLE FLIGHT CREW RECEIVED A GEAR DISAGREE AND NOISE FROM THE NOSE GEAR AREA WITH ASSOCIATED VIBRATION. CORRECTIVE ACTION: REMOVED DOOR ACTUATOR FLOW CONTROL VLV ASSYM FOUND TRASH INSIDE. FOUND CASE DRAIN FILTER AND LEFT HYD PUMP DPI POPPED. REPLACED FILTER PER AMM 29-11 FLUSHED LEFT HYD SYS TWICE AND INSPECTED FILTERS AND FLOW CONTROL VLV, NO FURTHER CONTAMINATION NOTED. OPERATED LANDING GEAR MULTIPLE TIMES AND OPERATED ALTERNATE GEAR EXTEND LANDING GEAR SYS OPS NML.