# SDR SWAA2020042043304

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2020
- Submitted: April 20, 2020
- Operation: Air carrier
- Aircraft: [N712SW](https://openairdocs.org/aircraft/N712SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27846
- Aircraft time: 75,946 hours, 45,531 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Faulty
- 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/SWAA2020042043304

## Discrepancy

AFT LAV SMOKE ALARM CAME ON WITH NO OTHER INDICATIONS / R/R AFT LAV SMOKE DETECTOR PER AMM # 26-14-01 P/N 475571-2 INSTALLED

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