# SDR AALA202011169002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2020
- Submitted: November 16, 2020
- Operation: Air carrier
- Aircraft: [N930AU](https://openairdocs.org/aircraft/N930AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7539
- Aircraft time: 11,446 hours, 4,303 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Indication
- Location: Aft 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/AALA202011169002

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  LEFT AFT LAVATORY SMOKE ALARMED CREW AT CRUISE.  PASSENGER WAS IN LAVATORY AT TIME.  NO EVIDENCE OF SMOKE OR AEROSOL PRODUCTS IN USE.  ACCOMPLISHED TSM 26-17-00-710-001-A.  PERFORMED TEST OF LAVATORY SMOKE DETECT SYSTEM.  NO FAULTS FOUND.

---
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.