As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMA INFLIGHT T1661/17MAY DFW TO SEA. AFT CARGO FIRE INDICATION. FIRE BOTTLE DISCHARGED. LANDED AMA WITHOUT INCIDENT. NO EVIDENCE OF FIRE. FOUND CARGO ELECTRONICS UNIT CONNECTOR WITH CORROSION. REPLACED AFT CARGO ELECTRONICS UNTIL CONNECTOR AND FIRE BOTTLES. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED) (A)