What was found
NOSE LANDING GEAR WOULD NOT RETRACT DURING TEST FLIGHT. REPLACED NOSE GEAR BUNGEE CYLINDER AND RESTRICTOR VALVES, WAS NO HELP. REPLACED STEERING CONTROL VALVE. OPERATIONAL CHECK OK ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NOSE LANDING GEAR WOULD NOT RETRACT DURING TEST FLIGHT. REPLACED NOSE GEAR BUNGEE CYLINDER AND RESTRICTOR VALVES, WAS NO HELP. REPLACED STEERING CONTROL VALVE. OPERATIONAL CHECK OK ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.