# SDR J7SA20170709001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2017
- Submitted: August 21, 2017
- Operation: Air carrier
- Aircraft: N475FX
- Make and model: Lear 45LEAR
- Aircraft serial: 508
- Aircraft time: 1,825 hours, 1,371 cycles
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Control Valve
- Condition: Failed
- Location: Anti-Skid Sys
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/J7SA20170709001

## Discrepancy

DIVERTED AND DECLARED AN EMERGENCY DUE TO A NORM BRAKE FAIL CAS MESSAGE.  LANDED WITHOUT INCIDENT.  REPLACED RELAY K322. OPS CHECKED GOOD. COMPLIED WITH  MVF AND FAILED. REPLACED LEFT AND RIGHT ANTI-SKID CONTROL VALVES, OPS CHECKED GOOD ON GROUND. MVF SUCCESSFUL.

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