# SDR SWAA2017032112572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2017
- Submitted: March 21, 2017
- Operation: Air carrier
- Aircraft: [N252WN](https://openairdocs.org/aircraft/N252WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34973
- Aircraft time: 37,796 hours, 22,173 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Fire Detector
- Part number: C22102294003
- Condition: False Indication
- Location: Lavatory
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2017032112572

## Discrepancy

APPROXIMATELY 20 MINUTES AFTER LIFT OFF, FLIGHT ATTENDANT REPORTED AFT LAV SMOKE ALARM ACTIVATION AND A FUNNY ODOR. DIVERTED AND DECLARED EMERGENCY.  PERFORMED SYSTEM TEST IAW AMM.  FOUND SYSTEM TO OPERATE NORMALLY.

---
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.