# SDR SWAA2020033033973

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2020
- Submitted: March 30, 2020
- Operation: Air carrier
- Aircraft: [N435WN](https://openairdocs.org/aircraft/N435WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32455
- Aircraft time: 58,536 hours, 34,702 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Malfunctioned
- Location: Lavatory
- Stage of operation: UK
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020033033973

## Discrepancy

AFT LAV SMOKE ALARM ACTIVE. NO INDICATION OF SMOKE; FUMES; OR FIRE. / REMOVED AND REPLACED AFT LAV SMOKE DETECTOR PER AMM 26-14-01. OPS CHECK GOOD.

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