What was found
CLT-EWN - FLT 3220 - THE FIRE DETECTION WARNING LIGHT AND APU FIRE FAULT ADVISORY LIGHT ILLUMINATED DURING FLIGHT. ACFT TURNED BACK AND LANDED IN CLT WITHOUT INCIDENT. REMOVED AND REPLACED APU FIRE LOOP FOR CHAFING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CLT-EWN - FLT 3220 - THE FIRE DETECTION WARNING LIGHT AND APU FIRE FAULT ADVISORY LIGHT ILLUMINATED DURING FLIGHT. ACFT TURNED BACK AND LANDED IN CLT WITHOUT INCIDENT. REMOVED AND REPLACED APU FIRE LOOP FOR CHAFING.