# SDR SWAA2025120240455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2025
- Submitted: December 2, 2025
- Operation: Air carrier
- Aircraft: [N8686A](https://openairdocs.org/aircraft/N8686A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36938
- Aircraft time: 29,054 hours, 14,420 cycles
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: Filter
- Condition: Odor
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025120240455

## Discrepancy

STAR AMMONIA ODOR IN THE POTABLE WATER SYSTEM.   DRAINED POTABLE WATER TANK AND REPLACED AFT & FWD FILTERS PER AMM 38-10-00.

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