# SDR DXTA2025080504450

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2025
- Submitted: August 5, 2025
- Operation: Air carrier
- Aircraft: [N966QS](https://openairdocs.org/aircraft/N966QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0420
- Aircraft time: 446 hours, 310 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Condition: Faulted
- Location: Zone 200
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2025080504450

## Discrepancy

AMBER CABIN DOOR OPEN CAS MESSAGE. RAN EMER CHECKLIST FOR CABIN DOOR OPEN CAS MESSAGE ON GROUND N1 MESSAGE WILL NOT CLEAR. SPOKE WITH MCC RAN CHECKLIST AGAIN SAME RESULT. DID A POWER CYCLE MESSAGE STILL WILL NOT CLEAR. PERFORMED TROUBLESHOOTING !AW AMM 52-00-00. INSPECTED CABIN DOOR PROXIMITY SWITCH AND HARNESS. NO DEFECTS NOTED. PERFORMED THE DOOR CAS RESET PROCEDURE. OPERATED SEVERAL TIMES.OPS CKGD.

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