What was found
THE FLIGHT CREW REPORTED THAT WHEN THE LANDING GEAR HANDLE WAS ACTUATED TO THE DOWN POSITION THE GEAR DID NOT EXTEND NORMALLY AND THEY RECEIVED NO GREEN SAFE LIGHTS. THE AMBER HANDLE LIGHT WAS ILLUMINATED, AND THE HYDRAULIC PUMP COULD BE HEARD RUNNING CONTINUOUSLY. THE CREW OPTED TO PULL THE EMERGENCY HANDLE AND THE GEAR EXTENDED AND LOCKED INTO THE DOWN POSITION. MAINTENANCE DETERMINED THAT THE CAUSE OF THE FAILURE WAS INTERMITTENT DUE TO THE LANDING GEAR HANDLE ASSEMBLY. THEY REPLACED THE LANDING GEAR HANDLE AND THE SEPARATION BOLTS DUE TO THE EMERGENCY EXTENSION. THE AIRCRAFT WAS CHECK FLOWN, POST MAINTENANCE, AND ALL LANDING GEAR OPERATIONS WERE REPORTED AS NORMAL.