# SDR DXTA2026081409271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2026
- Submitted: August 14, 2026
- Operation: Air carrier
- Aircraft: [N327QS](https://openairdocs.org/aircraft/N327QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500170
- Aircraft time: 10,310 hours, 8,107 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Part number: 3032408325
- Part serial: 1438
- Condition: Failed
- Location: Brake Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026081409271

## Discrepancy

DURING THE APPROACH APPROXIMATELY FIVE SECONDS AFTER THE LANDING GEAR WAS FULLY EXTENDED AND INDICATED DOWN AND LOCKED, A BRAKE FAIL CASS MESSAGE ILLUMINATED.  THE GO-AROUND PROCEDURE WAS INITIATED. QRH WAS CONSULTED & THE APPLICABLE PROCEDURE WAS FOLLOWED DURING THE SUBSEQUENT LANDING.  THE EMERGENCY BRAKE SYSTEM FUNCTIONED AS EXPECTED, & THE LANDING WAS COMPLETED UNEVENTFULLY.  NO OTHER ABNORMALITIES WERE NOTED. R & R PRIMARY PRESSURE SWITCH  IAW AMM 29-12-03 AND OPS IAW AMM 29-10-00, OPS GOOD AND NO CASS MSG FOUND.

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