# SDR AALA20050730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2005
- Submitted: November 11, 2005
- Operation: Air carrier
- Aircraft: N956U
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49701
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Control Box
- Part number: 42807
- Condition: Inoperative
- Location: Anti Skid Sys
- Stage of operation: DE
- 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/AALA20050730

## Discrepancy

ORD - AFTER LANDING GEAR WAS EXTENDED THREE OUT OF FOUR ANTI-SKID LIGHTS ILLUMINATED.  LEFT INBOARD LIGHT REMAINED OUT.  CYCLED THE SYSTEM AND TESTED.  NO CHANGE OF LIGHTS.  LANDED ORD WITHOUT INCIDENT.  FOUND ANTI-SKID CONTROL BOX INOPERATIVE.  REPLACED ANTI-SKID CONTROL BOX.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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