As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB, FLIGHT CREW RECEIVED A NR 1 BLEED HOT CAUTION MESSAGE. THE BLEED SYSTEM WAS DEACTIVATED AND DECISION WAS TAKEN TO RETURN AND LAND. MAINTENANCE FOUND THE LP/HP SHUTOFF VALVE ELECTRICAL WIRES CHAFING/SHORTING ON THE ENGINE CASE AND THE HP SHUTOFF VALVE SOLENOID BRACKET ATTACHMENT BOLTS LOOSE. THE WIRES AND THE VALVE WERE REPLACED, TESTED AND THE ACFT RETURNED INTO SERVICE.