Service difficulty report · Trim System · Cessna 560CESSNA

Difficulty date
September 19, 2008
Submitted
May 20, 2009
Operation
Air carrier
Aircraft
N814QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600776
Aircraft time
429 hours, 384 cycles
Part
Trim System
Condition
Out Of Limits
Location
Elevators
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AUTO PILOT KICKS OFF WHEN IN CLIMB OR TURN. ACFT CONTROLS APPEAR TO BE LOADED WHEN AUTOPILOT KICKS OFF. PERFORMED OPS CHECK OF AUTOPILOT DISENGAGEMENT SYS TO ENSURE PROPER OPERATION. ALL CHECK GOOD. PERFORMED AHRS FUNCTIONAL TEST. ALL AHRS OPS CHECK GOOD. GAINED ACCESS IN AFT CABIN AREA TO AUTO PILOT SERVO FOR AILERON. CHECKED CABLE TENSIONS FOUND CABLE TENSIONS TO BE AT 21 LBS. REQUIRED TENSION IS 20LBS + 30LBS. GAINED ACCESS TO ELEVATOR SERVO IN AFT BAGGAGE COMPARTMENT. FOUND ELEVATOR AUTOPILOT SERVO CABLE TENSIONS TO BE AT 29 LBS. LIMIT IS 20 + 30LBS. ADJUSTED CABLE TENSIONS. TO 20 LBS AS REQUIRED. PERFORMED TRAVEL CHECK AT ELEVATOR & ELEVATOR TRIM. ELEVATOR TRAVELS CHECK GOOD. ELEVATOR TRIM IN NOSE UP POSITION FOUND TRAVELS TO BE OUT OF LIMITS. GAINED ACCESS TO ELEVATOR TRIM STOP BLOCKS AND ADJUSTED STOP BLOCK TO BRING TRAVELS WITHIN LIMITS AT 4.5.+1-0 DEGREES NOSE DOWN AND 11' +.5'-0' NOSE DOWN. OPERATED AUTO PILOT SYS AFTER ALL TENSIONS CHECKED AND ADJUSTMENTS MADE. NO FAULTS NOTED AT THIS TIME. CLOSED ALL ACCESS IN CABIN AREA AND AFT BAGGAGE. ALL WORK DONE IAW MM 22-11-03, 34-21-16-27-11-00 AND 27-31-00.