As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH TO LANDING, THE FLIGHT CREW REPORTED SMOKE IN THE COCKPIT. AN EMERGENCY WAS DECLARED AND AN UNEVENTFUL LANDING WAS MAD. INSPECTION REVEALED THAT THE GPS RECEIVER HAD SHORTED OUT. REMOVED AND REPLACED THE GPS RECEIVER. OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (K)