As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT: 9179, DURING FLIGHT RT MAIN LANDING GEAR EXTENDED ON ITS OWN WITH NOSE AND LT STILL RETRACTED. ATTEMPTED TO EXTEND LANDING GEAR, AND WAS UNABLE. PERFORMED MANUAL GEAR EXTENSION,GEAR EXTENDED AND LOCKED WITH (3) GREEN LIGHTS. RETURNED TO FLL LANDED WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR ACTUATOR OPERATIONAL CHECK NORMAL.