# SDR AALA202207278321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2022
- Submitted: July 27, 2022
- Operation: Air carrier
- Aircraft: [N409AA](https://openairdocs.org/aircraft/N409AA), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 9178
- Aircraft time: 7,553 hours, 2,143 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Indication
- Location: Zone 900 - Lav/G
- Stage of operation: UK
- How discovered: V
- Nature of condition: J, N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202207278321

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FALSE LAVATORY SMOKE MESSAGE IN FLIGHT. MAINTENANCE  PERFORMED A SATISFACTORY OPERATIONAL TEST PER AMM TASK 26-17-00-710-001A. TEST PASSED NO FAULTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.