# SDR DXTA2024040911443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2024
- Submitted: April 9, 2024
- Operation: Air carrier
- Aircraft: [N452QS](https://openairdocs.org/aircraft/N452QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500671
- Aircraft time: 1,648 hours, 1,264 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: OAP0010011
- Part serial: 352960458
- Condition: Faulted
- Location: Brake Sys
- Part time: 1,648 hours, 1,264 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: K
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024040911443

## Discrepancy

DURING TAXI OUT RIGHT BRAKE WAS BINDING. RETURNED TO FBO AND RECEIVED A BRK FAIL CAS MESSAGE UPON SETTING THE PARKING BRAKE. REMOVED FAULTY BRAKE CONTROL UNIT P/N OAP00100-11, SN 352960458 AND REPLACED IT WITH MODIFY BCU, AND PERFORMED SATISFACTORY OPERATIONAL CHECKS. ALL MAINTENANCE PERFORMED IAW  AMM 32-41-01-400-801-A. NO FURTHER DEFECTS NOTED AT THIS TIME.

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