What was found
IN FLIGHT AT 17,000 FT AND 320 KTS FELT A SHARP RUDDER KICK WITH THE AUTOPILOT ON, YD FAIL UPPER -B- AMBER CAS MESSAGE ILLUMINATED. REMOVED AND REPLACED -B- YSAC (UPPER) IAW 750 MM 27-24-01. OPS CHECKED GOOD.
- Difficulty date
- November 18, 2004
- Submitted
- November 22, 2004
- Operation
- Air carrier
- Aircraft
- N953QS
- Make and model
- Cessna 750
- Aircraft serial
- 7500153
- Aircraft time
- 3,520 hours, 2,153 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Computer
- Part number
- 7022090901
- Part serial
- 01010472
- Condition
- Malfunctioned
- Location
- Rudder
- Part time
- 3,520 hours, 2,153 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.