As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE FIRE DETECTION LIGHT INTERMITTENT - RT ENGINE FIRE LIGHT ILLUMINATED INTERMITTENT AT CRUISE ALTITUDE. CORRECTIVE ACTION, VISUALLY INSPECTED RT ENGINE FIRE LOOP FOUND NO DEFECTS. RAN ENGINE AT VARIOUS POWER SETTINGS WITH ENGINE ANTI-ICE ON AND OFF, FOUND NO LEAKS AT THIS TIME. PER CUSTOMER REQUEST, RE-POSITIONED LT AND RT ENGINE FIRE DETECTION UNITS. ALL OPERATIONAL CHECKS GOOD.