# SDR DXTA200702273

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2007
- Submitted: June 18, 2007
- Operation: Air carrier
- Aircraft: [N393QS](https://openairdocs.org/aircraft/N393QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600393
- Aircraft time: 9,567 hours, 7,789 cycles
- Engine: Pwa JT15D5
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Condition: Failed
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200702273

## Discrepancy

POWER BRAKE SYSTEM FAILURE (POWER BRAKE LOW PRESS AND ANTI-SKID INOP LIGHT ON) LIGHT STAYS ON.  [07-10-07]   FOUND THE BRAKE PRESSURE RELIEF VALVE STUCK IN THE OPEN POSITION. REMOVED AND REPLACED THE RELIEF/BLEED VALVE IAW CESSNA CITATION 560 ULTRA 20-10-06. OPERATIONAL CHECK WAS SATISFACTORY & NO LEAKS NOTED AT THIS TIME

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