# SDR CALA2025102810634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2025
- Submitted: October 28, 2025
- Operation: Air carrier
- Aircraft: [N801UA](https://openairdocs.org/aircraft/N801UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 686
- Aircraft time: 82,589 hours, 36,026 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025102810634

## Discrepancy

FUEL SMELL STILL DETECTABLE IN THE CABIN. REMOVED AND REPLACED BOTH RECIRCULATION FILTER CARTRIDGE PER AMM 21-21-41-400-001-A OPS TEST NORMAL, NO FUEL SMELL A THIS TIME, OK FOR SERVICE.PARTS USED:  31-2121-3-0008, QTY :1 ADD EMP: U114389

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