As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB AT 3000 FT GEAR WAS STUCK DOWN. CLIMBED TO 10000 FT, FOLLOWED QRH, NO FIX. DECLARED EMERGENCY. LANDED WITHOUT INCIDENT. MX CLEANED PROX SENSORS ON ALL 3 GEAR, SERVICED NLG STRUT AND PERFORMED GEAR SWINGS. COULD NOT DUPLICATE. THE LANDING GEAR CONTROL LEVER WAS LATER REPLACED AS PRECAUTIONARY.