Service difficulty report · Aileron Sys · Gulstm 200

Difficulty date
April 16, 2011
Submitted
April 25, 2011
Operation
Air carrier
Aircraft
N706QS
Make and model
Gulstm 200
Aircraft serial
131
Aircraft time
3,980 hours, 2,468 cycles
Part
Aileron Sys
Condition
Inoperative
Stage of operation
CR
How discovered
O
Nature of condition
F, I
Precautionary procedure
A

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

What was found

AT 40,000 FT NOTICED THE AUTOPILOT DOING BABY DUTCH ROLLS TO STAY ON COUSE. AFTER DISSCONNECTING THE AUTOPILOT FOUND NEITHER PILOT HAD CONTROL OF THE AILERONS. ACFT WOULD NOT TURN WITHOUT EXCESSIVE FORCE APPLIED TO THE YOKE. OUSIDE AIR TEMP -35 TAT. -64 SAT. AFTER DECENDING TO FL240 AND WAITING ABOUT 20 MINS , WE REGAINED NORMAL CONTROL OF THE AILERONS. AIR TEMP AT FL240 , TAT 4 , SAT -25.