As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LANDING GEAR WAS SELECTED UP, LANDING GEAR WAS STILL DOWN INDICATING 3 GREEN AND 3 RED LIGHTS. TRIED TO RECYCLE THE GEAR ONCE WITHOUT SUCCESS. RETURNED FOR A NORMAL LANDING. PASSENGERS WHERE BRIEFED IN THE AIR AND ON GROUND. HARNESS ASSY WOW SWITCH ON NOSE WHEEL CENTERING REPLACED.