As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT HAD UNSAFE LH MAIN LANDING GEAR DOWN INDICATION. PILOT DECLARED EMERGENCY. AIRCRAFT LANDED NORMALLY. AFTER INSPECTION IT WAS FOUND THAT THE LH DOWN LOCK MICRO SWITCH WIRE HAD BROKEN IN THE WHEEL WELL ABOVE ACTUATOR. WIRE WAS REPAIRED AND AIRCRAFT RETURNED TO SERVICE.