# SDR SWAA2025080798501

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2025
- Submitted: August 7, 2025
- Operation: Air carrier
- Aircraft: [N290WN](https://openairdocs.org/aircraft/N290WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36632
- Aircraft time: 58,311 hours, 35,174 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Condition: Odor
- Location: Zone 200
- Stage of operation: CL
- 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/SWAA2025080798501

## Discrepancy

STRONG SEWAGE SMELL DURING CLIMB OUT FROM ROW 20 TO AFT OF AIRCRAFT. FA AND PASSENGER COMPLAINTS.   INSPECTED AFT TOILET SYSTEM AND POTABLE WATER SUPPLY / GRAY WATER DRAIN LINE. NO LEAK AND ANY ABNORMALITY NOTED PER AMM 38-32-00. FURTHER T/S REQ'D.   INSPECTED AFT OF ROW 20 TO AFT GALLEY COMPARTMENTS AND LAVATORY. NO BAD ODOR OR SMELL. R & R RECIRCULATION AIR FILTER IAW AMM 21-25-01. OPS CHECK GOOD.

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