As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT ENGINE FIRE DETECTOR L CAS MESSAGE DISPLAYED. ALSO NOTED THE CIRCUIT BREAKER TRIPPED. PUSHED IN CIRCUIT BREAKER POWERED UP ACFT. CIRCUIT BREAKER POPPED. TROUBLESHOT DOWN TO A CHAFED WIRE ON THE ENGINE WIRE HARNESS. CUTOUT BAD SECTION OF WIRE INSTALLED ENVIRONMENTAL CRIMP. OPS CHECKED FIRE DETECT SYS, OPS CHECK GOOD. WORK WAS DONE IAW MM 26-10-30.