What was found
AT GATE, CREW RECEIVED AN ECAM SMOKE DETECTOR FAULT. GND SCAN REVEALS ALL THREE LAVATORY DETECTORS FAULTED. FILTERS PREVIOUSLY CHANGED, HAS HISTORY. REPLACED SDCU IAW AMM 26-17-34-400-001A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT GATE, CREW RECEIVED AN ECAM SMOKE DETECTOR FAULT. GND SCAN REVEALS ALL THREE LAVATORY DETECTORS FAULTED. FILTERS PREVIOUSLY CHANGED, HAS HISTORY. REPLACED SDCU IAW AMM 26-17-34-400-001A.