What was found
YAW DAMPER DISENGAGE MESSAGE ON BOTH PFD'S. RAN CHECKLIST AND MESSAGE REAPPEARS. REMOVED AND REPLACED YAW DAMPER ACTUATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- April 15, 2004
- Submitted
- April 19, 2004
- Operation
- Air carrier
- Aircraft
- N406QX
- Make and model
- Bombdr DHC8401
- Aircraft serial
- 4048
- Aircraft time
- 6,452 hours, 7,259 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Actuator
- Part number
- C18112AA
- Part serial
- 265
- Condition
- Malfunctioned
- Location
- Zone 300
- Part time
- 4,759 hours, 5,354 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.