# SDR AALA202112062169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N9006](https://openairdocs.org/aircraft/N9006), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 5761
- Aircraft time: 22,074 hours, 10,606 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 900 - Lav/G
- Stage of operation: NR
- How discovered: V
- Nature of condition: J, N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112062169

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: MOMENTARY ILLUMINATION OF THE MASTER WARNING LIGHT IN FLIGHT WITH AFT LAVATORY SMOKE. NO SMOKE FOUND. ACCOMPLISHED OPERATIONS TEST OF LAVATORY SMOKE DETECTION SYSTEM PER AMM 26-17-00. BOTH AFT LAVATORIES CHECK GOOD AND NO EVIDENCE OF SMOKE.

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