# SDR AALA202105249034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2021
- Submitted: June 1, 2021
- Operation: Air carrier
- Aircraft: [N874NN](https://openairdocs.org/aircraft/N874NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31129
- Aircraft time: 29,026 hours, 11,980 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: 429352
- Condition: Faulted
- Location: Autobrake
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202105249034

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AUTOBRAKE DISARM LIGHT ILLUMINATED, FLIGHT REJECTED TAKEOFF.   REPLACED ANTISKID/AUTOBRAKE CONTROL UNIT IAW AMM 32-42-21, OPS CHECKED GOOD.

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