# SDR DALA2021021700929

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2021
- Submitted: February 17, 2021
- Operation: Air carrier
- Aircraft: [N103DY](https://openairdocs.org/aircraft/N103DY), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 9538
- Aircraft time: 717 hours, 553 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Warning
- Condition: False Activation
- Location: Lavatory
- Stage of operation: NR
- 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/DALA2021021700929

## Discrepancy

MASTER WARN IN-FLIGHT LAV SMOKE 1-2 SEC. F/A VERIFIED ALL LAVS CLEAN NO SMOKE/FIRE PAX WAS EXITING AFT LAV AT THE TIME OF EVENT. VERIFIED THRU MCDU THAT AFT LAV "G" SMOKE DET WENT OFF. AS PER TSM 26-17 A/C CHKS NORM, NO FAULTS AT THIS TIME. A/C OK FOR SVC. (LP# 7587914)

---
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.