# SDR AALA202504223927

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2025
- Submitted: April 22, 2025
- Operation: Air carrier
- Aircraft: [N956NN](https://openairdocs.org/aircraft/N956NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31200
- Aircraft time: 31,762 hours, 13,111 cycles
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Control Unit
- Part number: 142147
- Condition: Faulty
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202504223927

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AUTO BRAKE DISARM LIGHT ILLUMINATED WHEN IN RTO. ACCOMPLISHED FIM TASK 32-42-00-810-801. REMOVE AND REPLACED (AACU)-ANTISKID AUTOBRAKE CONTROL UNIT. PER AMM 32-42-21 OPERTIONAL CHECK GOOD.

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