As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FLT 1111 - WHILE EN ROUTE TO IND, THE FLIGHT OFFICERS SLIDING WINDOW DEVELOPED A CRACK. AFTER CHECKING WITH MAINTENANCE, IT WAS DECIDED TO DIVERT TO PIT DUE TO POSSIBLE ICING CONDITIONS. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FLIGHT OFFICERS SLIDING WINDOW AND THE WINDOW HEAT CONTROL UNIT (P/N 231-2). OPS CHECK GOOD. (M)