What was found
DURING CRUISE FLIGHT, FLIGHT CREW REPORTED NR 3 ENGINE FIRE WARNING LIGHT CAME ON. ENGINE SHUT DOWN IAW PROCEDURES. MAINTENANCE FOUND FIRE DETECTION CONTROL BOX MALFUNCTIONED AND REPLACED WITH SERVICEABLE UNIT IAW SMP581 26-10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CRUISE FLIGHT, FLIGHT CREW REPORTED NR 3 ENGINE FIRE WARNING LIGHT CAME ON. ENGINE SHUT DOWN IAW PROCEDURES. MAINTENANCE FOUND FIRE DETECTION CONTROL BOX MALFUNCTIONED AND REPLACED WITH SERVICEABLE UNIT IAW SMP581 26-10.