# SDR SWAA2016041150728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2016
- Submitted: April 11, 2016
- Operation: Air carrier
- Aircraft: [N931WN](https://openairdocs.org/aircraft/N931WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36637
- Aircraft time: 25,157 hours, 14,883 cycles
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Control Unit
- Part number: 429352
- Part serial: 3070
- Condition: Malfunctioned
- Location: E&E Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2016041150728

## Discrepancy

EXITING RUNWAY AT TAXI SPEED APPLIED BRAKES & EXPERIENCED HIGH VIBRATION FROM MAIN GEAR WITH LITTLE TO NO BRAKING ACTION.  COULD NOT STOP ACFT NORMALLY.  R & R ANTI-SKID AUTO BREAK CONTROL UNIT IAW AMM.

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