As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR - AFTER TAKEOFF FROM NEWARK, CREW REPORTED SMOKE IN COCKPIT. RETURNED TO AIRPORT UNEVENTFULLY. MAINTENANCE FOUND STICK SHAKER SWITCH WIRING BURNED. REMOVED AND REPLACED SWITCH AS A PRECAUTIONARY MEASURE AND REPAIRED BURNED WIRING ON BACK OF SWITCH. (M)