What was found
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.
- Difficulty date
- April 13, 2011
- Submitted
- April 15, 2011
- Operation
- Air carrier
- Aircraft
- N122UX
- Make and model
- Beech 1900D
- Aircraft serial
- UE122
- Aircraft time
- 25,201 hours, 30,382 cycles
- System (JASC)
- 2720 · Rudder Control System
- 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
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.