# SDR DXTA2012012604852

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2012
- Submitted: January 26, 2012
- Operation: Air carrier
- Aircraft: [N140QS](https://openairdocs.org/aircraft/N140QS), registered now
- Make and model: Raythn 400ARAYTHEON
- Aircraft serial: RK406
- Aircraft time: 3,010 hours, 2,787 cycles
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Control Box
- Part number: 42901
- Part serial: 801
- Condition: Inoperative
- Location: Anti Skid Sys
- Part time: 31 hours, 25 cycles
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2012012604852

## Discrepancy

WHILE TAXIING THE BRAKES WOULD ALTERNATELY WORK THEN FAILED.  SIMILAR TO ANTISKID TEST.  DUPLICATED DISCREPANCY. TROUBLESHOT THROUGH MM CH FAULT ISOLATION 32-40-03.  ANTI SKID CONTROL BOX FAILED.  REPLACED ANTI-SKID CONTROL BOX IAW MM CH-32-40-00, OPS CHECK GOOD.

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