# SDR SWAA2021011841522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2021
- Submitted: January 18, 2021
- Operation: Air carrier
- Aircraft: N933WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36640
- Aircraft time: 38,949 hours, 23,575 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Connector
- Condition: Loose
- Location: Smoke Detector
- Stage of operation: AP
- 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/SWAA2021011841522

## Discrepancy

AFT LAV SMOKE ALARM CAME ON DURING ARRIVAL TO APPROACH NO SMOKE/FIRE INDICATIONS.  FOUND POWER CONNECTOR LOOSE ON SMOKE DET UNIT.  TIGHTENED CONNECTOR PER SIP.

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