What was found
LG LEVER DISAG RED CAS: LG LEVER DISAG RED CAS MEASAGE FOR THE NOSE GEAR UNPON EXTENTION. CYCLED THE GEAR AS PER THE QRH AND GOT THREE GREEN. REMOVED FAULTY NLG RETRACTION ACTUATOR, INSTALLED NEW NLG RETRACTION ACTUATOR. WORK PERFORMED IAW AMM 32-21-02, PERFORMED BLEEDING OF SYSTEM AS NEEDED IAW AMM 29-10-00, PERFORMED FUNCTIONAL CHECK OF THE LANDING GEAR IN NORMAL CONDITION IAW AMM 32-31-00. NO FAULTS NOTED. RAN GEAR SEVERAL TIMES WITHOUT FAULT, PERFORMED FUNCTIONAL CHECK OF THE LANDING GEAR IN EMERGENCY CONDITION IAW AMM 32-35-00. NO FAULTS NOTED. PERFORMED FUNCTIONAL CHECK OF THE LANDING GEAR IN NORMAL CONDITION IAW AMM 32-31-00. RAN GEAR ANOTHER 10 TIMES WITH NO FAULTS NOTED.