# SDR GLBA200904152

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2011
- Submitted: April 15, 2011
- Operation: Air carrier
- Aircraft: [N122UX](https://openairdocs.org/aircraft/N122UX), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE122
- Aircraft time: 25,201 hours, 30,382 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Computer
- Part number: 6229627005
- Part serial: 340
- Condition: Malfunctioned
- Part time: 263 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA200904152

## Discrepancy

UNSCHEDULED RUDDER BOOST ACTIVATION IN FLIGHT. RESOLVED WITH EMERGENCY CHECKLIST. YAW DAMPER WORKS CORRECTLY.  MX R & R THE NR1 YAW DAMP/ RB COMPUTER, OPS CK GOOD IAW MM 27-26-00.

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