# SDR SCNA20260413157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N840SY](https://openairdocs.org/aircraft/N840SY), registered now
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 42084
- Aircraft time: 23,184 hours, 9,107 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: DE
- 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/SCNA20260413157

## Discrepancy

FA REPORTED FOUL ODOR THOUGHOUT CABIN ONLY DURING DESCENT. SMELLS OF SEWER.  PERFORMED TASK 21-00 TASJ 806. NO SMELLS NOTED A/C OK FOR SERVICE.

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