As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3018, GSO TO LGA - DURING CLIMB WHILE PASSING THROUGH 5,000 FT WITH ANTI-ICING ON, THE FLIGHT CREW RECEIVED A BLEED 1 OVER-TEMP MESSAGE ON EICAS. THE QRH WAS FOLLOWED AND IT WAS NOTED THAT THE BLEED 2 TEMPERATURE WAS ALSO CLOSE TO THE LIMITS. THE AIRCRAFT RETURNED TO GSO AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEANED THE FAN AIR VALVE FILTER AND RAN THE ENGINES WITH NO FURTHER DEFECTS NOTED.