What was found
CREW REPORTED AIRCRAFT YAWING SIGNIFICANTLY. INHIBITED YAW DAMPER AND DE-PRESSURIZED RUDDER SYSTEM. RETURNED TO BOS AND LANDED WITHOUT INCIDENT. REPLACED YAW DAMPER ACTUATOR.
- Difficulty date
- December 23, 2009
- Submitted
- June 29, 2010
- Operation
- Air carrier
- Aircraft
- N495AA
- Make and model
- Doug DC982
- Aircraft serial
- 49733
- Aircraft time
- 59,779 hours, 31,241 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Yaw Damper
- Part number
- 2589445933
- Condition
- Failed
- Location
- Rudder
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- F
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.