What was found
DURING PRE-FLIGHT, NR 3 FIRE HANDLE AND MASTER DISPLAY FLASHED INTERMITTENTLY WITHOUT NR 3 ENGINE RUNNING. FOUND NR 3 ENGINE FIRE CONTROL UNIT DEFECTIVE, REPLACED FIRE CONTROL UNIT, SYSTEM CHECKED GOOD PER M.M. CH 26.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PRE-FLIGHT, NR 3 FIRE HANDLE AND MASTER DISPLAY FLASHED INTERMITTENTLY WITHOUT NR 3 ENGINE RUNNING. FOUND NR 3 ENGINE FIRE CONTROL UNIT DEFECTIVE, REPLACED FIRE CONTROL UNIT, SYSTEM CHECKED GOOD PER M.M. CH 26.