# SDR DJFA2009001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2009
- Submitted: January 7, 2009
- Operation: Air carrier
- Aircraft: [N709TA](https://openairdocs.org/aircraft/N709TA), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK180
- Aircraft time: 8,326 hours, 6,888 cycles
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Control Unit
- Part number: 42901
- Part serial: 650
- Condition: Failed
- Location: Anti-Skid Sys
- Part time: 310 hours
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DJFA2009001

## Discrepancy

AFTER LANDING, CREW REPORTED ANTI-SKID FAIL 5 SECONDS AFTER APPLICATION OF BRAKES RESULTING IN TOTAL LOSS OF BRAKING ACTION.  BRAKES RETURNED WHEN ANTI-SKID WAS TURNED OFF.  MX FOUND THE ANTI-SKID CONTROL UNIT FAILED AND IT WAS SUBSEQUENTLY REPLACED.

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