# SDR AALA202610192580

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2026
- Submitted: October 19, 2026
- Operation: Air carrier
- Aircraft: [N554UW](https://openairdocs.org/aircraft/N554UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4966
- Aircraft time: 44,888 hours, 18,682 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Indication
- Location: Zone 900
- 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/AALA202610192580

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: MULTIPLE WHAT APPEAR TO BE FALSE LAVATORY SMOKE ALARM FORWARD IN FLIGHT - MAINTENANCE ACCOMPLISHED TSM 26-17-00-810-804-A FOR LAVATORY D SMOKE DETECTOR FAULT CODE 26-17-15 - MAINTENANCE PERFORMED LAVATORY D SMOKE DETECTOR TEST PER AMM 26-17-15 WITH NO ISSUES 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.