As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD-BDL - FLT 6212 - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING AT IAD DUE TO LEFT PROP HEAT FAILED IN LONG AND SHORT CYCLES. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LEFT PROP. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)