As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6296 - IAD-ROC - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO LEFT PROP DE-ICE FAILURE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED REMOVED AND REPLACED BRUSH BLOCK. OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)