# SDR DXTA2025013102151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2025
- Submitted: January 31, 2025
- Operation: Air carrier
- Aircraft: [N941QS](https://openairdocs.org/aircraft/N941QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0374
- Aircraft time: 1,284 hours, 902 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: 99148361
- Part serial: 1160
- Condition: Dirty
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2025013102151

## Discrepancy

CABIN ODOR: RIGHT AFTER TAKEOFF FROM KBVU WE HAD A STRONG UNUSUAL ODOR IN THE COCKPIT AND CABIN. IT SMELLED MORE LIKE AN ACM ODOR THAN AN ELECTRICAL ODOR.  I WALKED TO THE BACK OF THE PLANE TO LOOK FOR SMOKE/ODORS. THE ODOR REMAINED BUT I COULD NOT FIND ANY  VISIBLE ISSUES.  WE DIVERTED BACK TO LAS AFTER SPEAKING WITH THE FODM. CORRECTIVE ACTION: REPLACED HEPA FILTER. OPS CHECK GOOD. IAW CE680A AMM 21-70-10.

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