As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2914 - EWR - FLIGHT CREW REPORTED THAT ON CLIMB PASSING THROUGH 13,000FT, BLEED 1 OVERTEMP AND BLEED 2 OVERTEMP WARNINGS ON EICAS. FLIGHT CREW PERFORMED AIR RETURN AND LANDED ACFT UNEVENTFULLY. EWR MX REMOVED AND REPLACED NR 1 LOW TEMP FAN AIR THERMOSTAT SENSE LINE AND PERFORMED OPERATIONAL AND LEAK CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.