# SDR AALA201808019007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2018
- Submitted: August 1, 2018
- Operation: Air carrier
- Aircraft: [N105NN](https://openairdocs.org/aircraft/N105NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5904
- Aircraft time: 17,011 hours, 3,451 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Fire Detector
- Condition: False Activation
- Location: Lavatory
- Stage of operation: CR
- 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/AALA201808019007

## Discrepancy

DURING CRUISE,  THREE HOURS INTO FLIGHT,  RECEIVED AN ECAM FOR LAVATORY SMOKE ON THE 2 OCCASIONS.  NO SMOKE DETECTED.  FLIGHT ATTENDANT REPORTED HAVING RECEIVED A FALSE WARNING ON THIS A/C BEFORE.  FOUND LAVATORY E FAULT IN HISTORY.  PREFORMED AN OPS CHECK OF THE SMOKE DETECTION IN THE LAVATORY.  OPS CHECKED OK. IAW TSM 26-17-00-810-804A.

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