What was found
ASH 2638 CLT CARGO FIRE EXTINGUISHING SYSTEM WILL NOT TEST. MECHANIC REPLACED CARGO DETECTOR CIRCUIT RELAY. OP CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ASH 2638 CLT CARGO FIRE EXTINGUISHING SYSTEM WILL NOT TEST. MECHANIC REPLACED CARGO DETECTOR CIRCUIT RELAY. OP CHECKS GOOD.