SDR CA121126010

Service difficulty report · Actuator · Cndair CL6002B19

Difficulty date: November 24, 2012
Submitted: September 14, 2015
Operation: General aviation
Make and model: Cndair CL6002B19
Engine: Ge CF343A1
System (JASC): 2721 · Rudder Tab Control System
Part: Actuator
Condition: Failed
Location: Rudder Damper
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.

What was found

(CAN) CAPTAIN STATED THAT AT FL250 THEY HAD A HARD RUDDER KICK AND THE YAW DAMPER NR 2 KICKED OFF-LINE. THE AFT SPEED WAS SLOWED AND TRIMMED WHEN A SHORT TIME LATER THE RUDDER KICKED AGAIN UNCOMMANDED. THE YAW DAMPER SYS AND AUTO PILOT WAS DISENGAGED. A SHORT TIME LATER THE ACFT EXPERIENCED UNCOMMANDED RUDDER MOVEMENTS AGAIN. AN EMERGENCY WAS DECLARED AND THE FLIGHT DIVERTED AND IS SAFELY ON THE GROUND.