# SDR DXTA2019101542945

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2019
- Submitted: October 17, 2019
- Operation: Air carrier
- Aircraft: [N379QS](https://openairdocs.org/aircraft/N379QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500294
- Aircraft time: 3,517 hours, 2,786 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Relief Valve
- Part number: DAP0011001
- Part serial: 439
- Condition: Defective
- Location: Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2019101542945

## Discrepancy

ON PUTTING THE LANDING GEAR DOWN ON APPROACH RECEIVED A CAUTION EMERGENY BRAKE LOW PRESSURE WITH EMERGENCY BRAKE PRESSURE SHOWING 0 ACCUMULATOR PRESSURE. RAN QRH AND DIVERTED.  REMOVED AND REPLACED EMERGENCY PARKING-BRAKE THERMAL RELIEF VALVE AS REQUIRED. PERFORMED ALL REQUIRED BLEEDLNG TASKS, AND OPS CHECKS. COMPLIED WITH NUMEROUS SATISFACTORY GEAR SWINGS  COMPLIED WITH FINAL SERVICING OF HYRDAULLC RESEVIOR IAW MM 12-13-00. NO FURTHER DEFECTS NOTED AT THIS TIME. REF. MM  32-43-08.

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