As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 1 ENG FIRE LIGHT ILLUMINATED. SHUTDOWN NR 1 ENG, BLEW BOTH FIRE BOTTLES, FIRE LIGHT REMAINED ILLUMINATED. RETURNED TO BASE, TOWER NOTIFIED CREW THAT THERE WAS NO VISUAL INDICATION OF SMOKE BEING TRAILED. LANDED SAFELY & CONDUCTED A NORMAL SHUTDOWN OF ACFT.