As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE EN ROUTE OF FLIGHT 8115 BQN-PLS THE ENGINE FIRE WARNING LIGHT ILLUMINATED FOR FIVE SECONDS, THEN WENT OUT. THE FLIGHT CONTUNED WITH NO OTHER PROBLEMS. THE MECHANIC CHECKED AND FOUND SEVERAL FIRE LOOP INSULATORS OUT OF ALIGMENT WITH THE CLIPS AND THE TEST SWITCH WAS INTERMITTENT. THE TEST SWITCH WAS REPLACED.