As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A STRONG ODOR ACCOMPANIED BY SMOKE WAS OBSERVED IN THE COCKPIT DURING CLIMB-OUT OF DTW ENROUTE TO EWR. THE AIRCRAFT WAS DIVERTED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE FIRST OFFICER'S NR 5 WINDOW OVERHEATING AND CAUSING THE ODOR AND SMOKE. THE WINDOW AND WINDOW THERMAL SENSOR WERE REMOVED AND REPLACED IAW MM 56-11-31. LEAK AND OPERATIONAL CHECKS WERE GOOD.