As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3233 DURING THE TAKEOFF ROLL THE CREW REPORTED THE CAPTAIN’S WINDSHIELD WIPER MOVED UNCOMMANDED TO FULL DOWN POSITION AND WIPER STAYED 2 TO 3 INCHES OFF THE WINDSHIELD. THE WIPER MOVED 1/4 WAY UP WINDOW DURING FLIGHT AND STAYED, WINDOW WAS WET WITH DEW ON TAKEOFF ROLL. THE CAPTAIN ELECTED TO RETURN TO DFW. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE CAPTAIN’S WIPER ARM IAW EMB 145 MM 30-41-03. THE OPERATIONAL CHECK WAS GOOD AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.