As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FL 1140, FLIGHT WAS EN ROUTE CLT TO DTW WHEN AIRCRAFT LOST ITS WEATHER RADAR. FLIGHT WAS APPROXIMATELY 75 MILES WEST OF PIT. DUE TO THUNDERSTORMS IN THE DTW AREA, FLIGHT DIVERTED TO PIT WHERE IT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE WEATHER ANTENNA. WEATHER RADAR AND COOLING FAN OPERATIONAL CHECK GOOD. (M)