What was found
(CAN) DURING THE ENGINE GROUND RUN, A TEST OF THE ENGINE FIRE DETECTION SYSTEM REVEALED THE SYSTEM WAS NOT FUNCITONING. INSPECTION FOUND THE FIRE DETECTION LOOP HAD BROKEN AT THE ENGINE FIREWALL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING THE ENGINE GROUND RUN, A TEST OF THE ENGINE FIRE DETECTION SYSTEM REVEALED THE SYSTEM WAS NOT FUNCITONING. INSPECTION FOUND THE FIRE DETECTION LOOP HAD BROKEN AT THE ENGINE FIREWALL.