Service difficulty report · Actuator · Cessna 750

Difficulty date
May 14, 2013
Submitted
May 17, 2013
Operation
Air carrier
Aircraft
N764XJ
Make and model
Cessna 750
Aircraft serial
7500264
Aircraft time
4,759 hours, 2,401 cycles
Part
Actuator
Part number
EM407010
Part serial
292
Condition
Failed
Location
Pitch Feel
Stage of operation
LD
How discovered
O
Nature of condition
F
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING LANDING WITH THE AUTOPILOT OFF, FLIGHT CREW NOTED THAT THE FLIGHT CONTROLS FELT EXTREMELY HEAVY. LANDING COMPLETED SUCCESSFULLY. DURING TAXI IN, FLIGHT CONTROLS CHECKED AGAIN AND NOTED THE PITCH EXTREMELY HARD TO MOVE, TAKING NOTABLE FORCE TO MOVE CONTROL COLUMN FORWARD AND AFT. TROUBLESHOOTING WAS ACCOMPLISHED. BOTH ENGINES RUNNING AND A FLIGHT CONTROL CHECK CONDUCTED AGAIN AND NOTED THE PITCH WAS STILL EXTREMELY HARD TO MOVE. PULLED PITCH/ROLL DISCONNECT HANDLE. ONCE DONE, LT ELEVATOR MOVED FREELY AS DURING NORMAL OPERATIONS AND RT ELEVATOR WAS EXTREMELY HARD TO MOVE. DISCOVERED THAT THE RT PITCH FEEL LINEAR ACTUATOR WAS FAILED IN THE EXTENDED POSITION.

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