As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED AN APU FIRE IN FLIGHT. THE ACFT LANDED WITHOUT INCIDENT WHERE MX INSPECTED THE ACFT WITH NO EVIDENCE OF, OR INDICATION OF FIRE. REMOVED AND REPLACED THE APU FIRE LOOP, OPERATIONALLY TESTED WIH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE