As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE FLIGHT CREW REPORTED THAT THE NR 1 BLEED SYSTEM CONTROL CIRCUIT BREAKER POPPED. MAINTENANCE INVESTIGATION REVALED A CHAFED WIRE AT THE NR 1 HGIH PRESSUE BLEED VALVE CONNECTOR PLUG 2121-P9. THE WIRE WAS REPAIRED AND THE AIRCRAFT WAS RETURNED TO SERVICE.