# SDR DXTA2026032507372

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2026
- Submitted: March 25, 2026
- Operation: Air carrier
- Aircraft: [N668QS](https://openairdocs.org/aircraft/N668QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0276
- Aircraft time: 5,730 hours, 3,803 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Switch
- Part number: A41130
- Part serial: NSN
- Condition: Defective
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026032507372

## Discrepancy

DURING INITIAL TAXI OUT, PARK BRAKE LOW PRESS AMBER CAS ILLUMINATED. PARKING BRAKE WAS DISENGAGED PER THIS PHASE OF FLIGHT. STOPPED AIRCRAFT AND CYCLED THE PARK BRAKE, MESSAGE REAPPEARED.   REPLACED BRAKE SWITCH. OPS CHECK GOOD. IAW AMM 32-44-15

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