# SDR SWAA2022021070609

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2022
- Submitted: February 10, 2022
- Operation: Air carrier
- Aircraft: [N225WN](https://openairdocs.org/aircraft/N225WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34333
- Aircraft time: 54,907 hours, 32,652 cycles
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: Water Heater
- Part number: 24E507040G04
- Part serial: 2251
- Condition: Inoperative
- Location: Aft Cabin Lav
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022021070609

## Discrepancy

AFT LAV SMOKE ALARM AT 8K ON APPROACH FA NOTICED ELECTRICAL SMELL. WATER HEATER AFT LAV FLASHING YELLOW. NO EVIDENCE OF FIRE. / [01] PERFORMED CONDITIONAL INSPECTION AMM 05-51-56. SEE LOG PAGE 1883562 FOR INOP WATER HEATER. AC OK FOR SERVICE

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