# SDR AALA201701309005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2017
- Submitted: January 30, 2017
- Operation: Air carrier
- Aircraft: [N552UW](https://openairdocs.org/aircraft/N552UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4957
- Aircraft time: 18,577 hours, 6,767 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Warning
- Condition: False Activation
- Location: Lavatory
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201701309005

## Discrepancy

MOMENTARY LAVATORY SMOKE INDICATION ON ECAM WITH AUDIO WARNING 3- 5 SECONDS.  NO RECURRENCE, FAULT CLEARED ON ITS OWN.  LAVATORIES INSPECTED, NO SMOKE OR ODOR. MAINTENANCE ACCOMPLISHED BITE TEST OF THE SDCU IAW 26-17-00-710-001-A. NO FAULTS NOTED OK FOR SERVICE.

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