As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT DURING CLIMB THERE WAS SMOKE IN THE COCKPIT. THE AIRCRAFT RETURNED TO KDTW AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT ELECTRICAL SYSTEM, THE WINDSHIELD HEATING SYSTEM, OPERATED BOTH COOLING PACKS, AND PERFORMED ENGINE RUNS WITH NO DEFECTS NOTED.