# SDR USAA2014090400001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2014
- Submitted: September 4, 2014
- Operation: Air carrier
- Aircraft: [N821AW](https://openairdocs.org/aircraft/N821AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1406
- Aircraft time: 47,512 hours, 19,662 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Control Unit
- Part number: RAI2800M0706
- Part serial: Q00160005979
- Condition: Faulty
- Location: Smoke Detection
- Part time: 31,295 hours, 24,191 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2014090400001

## Discrepancy

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.

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