# SDR SWAA2026100891056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2026
- Submitted: October 9, 2026
- Operation: Air carrier
- Aircraft: [N8790Q](https://openairdocs.org/aircraft/N8790Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 67773
- Aircraft time: 12,111 hours, 6,091 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Odor
- Location: Zone 200
- 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/SWAA2026100891056

## Discrepancy

ACRID ODOR ON DESCENT,  DISSIPATED WITH RECIRC FANS TURNED OFF.  REAPPEARED WITH FANS BACK ON AT GATE.  R & R LT RECIRC FAN IAW AMM 21-25-02, AND R & R LT RECIRC AIR FILTER IAW AMM 21-25-01. OPS CHECKED NORMAL AND NO ACRID ODORS.

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