What was found
ON FINAL, SELECTED GEAR DOWN AND RECEIVED THREE GREENS. SELECTED THE GEAR HANDLE UP BOTH MAINS WENT UP AND NOSE STAYED DOWN. RECEIVED A GEAR DISAGREE MESSAGE, ON SECOND FINAL, SELECTED GEAR DOWN ALL THREE GEAR CAME DOWN AND THREE GREEN. JACKED AIRCRAFT IAW AMM 07-11-01. SEVERAL CIRCUIT BREAKERS PULLED AND COLLARED FOR JACKING IAW AMM 32-09-02. WIP 593093. CYCLED ALL GEAR UP & DOWN, ALL OPS NORMAL. PINNED MLG RAN NOSE 10 TIMES CHECKED GEAR DOOR ACTUATOR & GEAR RETRACT ACTUATOR FOR OVERHEAT. BYPASS. SYSTEM OPS NORMAL & NO OVERHEAT. REPLACED THE EXTEND-RETRACT ACTUATOR IAW AMM 32-34. REMOVED AND INSTALLED THE NLG LOCK ACTUATOR, LEAK & OPS CHECKED IAW AMM 32-42-02. PERFORMED OPS TEST OF MLG EXT/RET IAW AMM 32-32-00-705-003, COMPLETED GEAR SWING, EXTENSION AND RETRACTION AND LANDING GEAR REVERSAL CHECKED IAW AMM 32-34, ALL CHECKED NORMAL. RESTORED ACFT TO NORMAL CONDITION. OK FOR SERVICE.