# SDR UPS804234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N840UP
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46140
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Contl Vlv
- Condition: Failed
- Location: Lt Mlg Brakes
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS804234

## Discrepancy

WHILE ON TAXI OUT IN DFW, LT BRAKES FAILED DUE TO BROKEN ARM AT BRAKE CONTROL VALVE.  MAINTENANCE REMOVED AND REPLACED THE BRAKE CONTROL VALVE.

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