# SDR SWAA2019121939826

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2019
- Submitted: December 19, 2019
- Operation: Air carrier
- Aircraft: N433LV
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33716
- Aircraft time: 58,688 hours, 34,398 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PU90461R3
- Condition: False Activation
- Location: Aft Lavatory
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2019121939826

## Discrepancy

DIVERSION/DECLARED EMERGENCY-------------------------------------------------------AFT LAVATORY SMOKE DETECTOR ALARM WENT OFF AT CRUISE. NO SMOKE OR FIRE WAS DETECTED.        / R&R AFT LAV SMOKE DETECTOR PER AMM.

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