# SDR SWAA2026082852820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2026
- Submitted: August 29, 2026
- Operation: Air carrier
- Aircraft: [N8579Z](https://openairdocs.org/aircraft/N8579Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63591
- Aircraft time: 27,105 hours, 14,022 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Zone 100
- 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/SWAA2026082852820

## Discrepancy

OIL FUME SMELL ON FLIGHT DECK DURING DESCENT BELOW 10,000 OIL FUME SMELL ON FLIGHT DECK DURING DESCENT BELOW 10000 PERFORMED CONDITIONAL INSPECTION SMOKE OR FUMES IN CABIN PER AMM 055156 AND FIM 2100 TASK 806. REPLACED BOTH LEFT AND RIGHT RECIRCULATION AIR FILTERS PER AMM 212501. NO ABNORMAL SMELLS DETECTED.

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