As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6427 - PHX-EUG - ENGINE FIRE DETECTION LIGHT CAME ON FOR 1 SECOND. THE MESSAGE WAS NOT ASSOCIATED WITH A AURAL WARNING HORN. THE PLANE CONTINUED ON TO EUG WITHOUT ANY FURTHER INCIDENT. AFTER LANDING MAINTENANCE TROUBLESHOT AND FOUND BROKEN WIRE IN THE JET PIPE LOOP. OP CHECKS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)