As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, THE CREW SMELLED SMOKE/BURNING SMELL. AIRCRAFT RETURNED TO POINT OF DEPARTURE. MAINTENANCE INVESTIGATED AND FOUND THE WIPER MOTOR TOO HOT TO TOUCH. CREW REPORTED THAT ON THE PREVIOUS FLIGHT, THE WIPER SYSTEM CAME ON, THEN WENT OFF.