As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETRACTED MLG AND THE WHITE AND BLACK HASH MARK INDICATORS INDICATING THE GEAR DOORS WERE OPEN ILLUMINATED. RECYCLED THE GEAR AND THE RESULT WAS NOSE GEAR DOWN AND LOCKED AND THE MAIN'S RETRACTED. CREW EXTENDED THE GEAR AND ALL GEAR INDICATIONS SHOWED 3 GREEN DOWN AND LOCKED. CREW PERFORMED AN AIR RETURN, WITH UNEVENTFUL LANDING AND TAXI. MX REPLACED RT MAIN INBD DOOR ACTUATOR (CONTAINS THE INTERNAL POSITION SWITCH). LEAKS AND OPS CHECK GOOD.