# SDR DXTA2024101400827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2024
- Submitted: October 14, 2024
- Operation: Air carrier
- Aircraft: [N921QS](https://openairdocs.org/aircraft/N921QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0344
- Aircraft time: 1,760 hours, 1,178 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: 0994
- Part serial: 99148361
- Condition: Odor
- Location: Zone 100
- Stage of operation: TX
- 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/DXTA2024101400827

## Discrepancy

CABIN ODOR: EXHAUST/ OIL SMELL STRONG DURING STARTUP DESPITE APU BLEED AIR BEING OFF. CORRECTIVE ACTION: REPLACED HEPA FILTER IAW CE680A AMM 21·70·10. NO DEFECTS NOTED.

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