# SDR CA991229006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 1999
- Submitted: January 19, 2001
- Operation: Air carrier
- Make and model: Bac 146200A
- Aircraft time: 28,042 hours
- Engine: Lyc ALF502R5
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Servo Valve
- Part number: 3799H1
- Condition: Failed
- Location: Airbrake
- Part time: 18,106 hours, 28,648 cycles
- Component: Airbrake System
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991229006

## Discrepancy

(CAN) FLIGHT CREW REPORTED AN UNCOMMANDED DEPLOYMENT OF THE AIRBRAKE DURING APPROACH. AIRBRAKE SERVO VALVE REPLACED.

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