As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. CREW RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. FLIGHT WAS CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT PLOCK PROXIMITY SENSOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.