What was found
RT ENGINE, NR 1 FIRE LOOP MESSAGE CAME ON FOR 2 HRS THEN WENT AWAY. PERFORMED FIRE WARNING TEST ON GROUND NO FAULTS INDICATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT ENGINE, NR 1 FIRE LOOP MESSAGE CAME ON FOR 2 HRS THEN WENT AWAY. PERFORMED FIRE WARNING TEST ON GROUND NO FAULTS INDICATED.