What was found
(CAN) DURING APPROACH THE NLG DIDN`T EXTEND. LOW PASS PERFORMED AND TOWER CONFIRMED NOSE GEAR INDEED NOT OUT. LATER IN HOLDING ALT LANDING GEAR, ALT EXT PROCEDURE PERFORMED AND NLG EXTENDED. UNEVENTFULL LANDING. GVI OF NLG C/OUT. TORQUE CHECK OF ALL HYD LINES WITHIN NLG SYS C/OUT. FOUND .2500 MOVEMENT IN BOTH LINES OF DOWNLOCK ACTUATOR AND 2 LINES OF MSV. SMALL AMOUNT OF AIR FOUND IN SYS, BLEEDING OF HYD SYS 2 VERIFIED AS SATISFACTORY. OPS CHECK OF NLG PRIMARY EXTENSION/RETRACTION C/OUT AS SATISFACTORY. NLG DOOR ACTUATOR CHECKED FOR HYD FLUID BYPASSING. NO LEAKAGE, HYD SYS 2 SAMPLE SENT TO ANALYSIS OK. FOLLOWING PART WILL BE CHANGED AS PREVENTIVE ACTIONS: MECHANICAL SEQUENCE VALVE. NR 61692, SOLENOID SEQUENCE VALVE. 61692, DOOR ACTUATOR NLG.