As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE FIRE WARNING ON ENGINE NR 1, ZONE NR 1. SHUTDOWN NR 1 ENGINE AND MADE UNEVENTFUL LANDING AT ADQ. FIRE WARNING OUT ON ENGINE SHUTDOWN, RESET AND TESTED GOOD. FOUND UNIVERSAL JOINT ON NR 1 ENGINE TAILPIPE SEPARATED. REMOVED AND REPLACED UNIVERSAL JOINT AND RECONNECTED TAILPIPE IAW CV580 MM 78-10-00. GROUND RUNS CHECKED GOOD.