As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING 125 HOUR INSPECTION, IT WAS NOTED THAT THE NR 1 ENG FIRE BOTTLE HAD BEEN ACTIVATED. UPON FURTHER INSPECTION, THE CAUSE WAS FOUND TO BE A CRACKED BELLOWS IN THE C6VW1026-3 BLEED AIR DUCT. DUCT WAS REPLACED & ACFT RETURNED TO SERVICE.