# SDR DXTA2026062208500

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2026
- Submitted: June 22, 2026
- Operation: Air carrier
- Aircraft: [N447QS](https://openairdocs.org/aircraft/N447QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500635
- Aircraft time: 4,804 hours, 3,750 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake Sys
- Condition: Faulted
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026062208500

## Discrepancy

BRAKES PULSATE OR GRAB AND RELEASE UNDER LIGHT TO MODERATE BRAKING WHILE TAXING.  THEY STOP WELL WITH HEAVY BRAKING.  THE GRABBING IS MOST NOTICEABLE WHEN BRAKES ARE WARM AFTER LANDING.  BRAKES PULSATE OR GRAB & RELEASE UNDER LIGHT TO MODERATE BRAKING WHILE TAXING, THEY STOP WELL WITH HEAVY BRAKING. THE GRABBING IS MOST NOTICEABLE WHEN BRAKES ARE WARM AFTER LANDING. CONDUCTED NORMAL AND EMERGENCY/PARKING BRAKE SYSTEM BLEEDING IAW AMM 32-40-00-870-801-A. SERVICED HYD RESERVOIR AS REQUIRED IAW AMM 12-13-00. TAXI CHECK GOOD.

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