Service difficulty report · Switch · Cessna 560XL

Difficulty date
February 10, 2017
Submitted
February 13, 2017
Operation
Air carrier
Aircraft
N644QS
Make and model
Cessna 560XL
Aircraft serial
5605582
Aircraft time
10,150 hours, 7,806 cycles
Part
Switch
Part number
D45C24
Part serial
1833
Condition
Failed
Location
Airspeed
Part time
9,838 hours, 7,576 cycles
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
A

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

What was found

NORMAL DEPARTURE ACCELERATING THROUGH 200 KTS, NOTICED THE TRIM WHEEL BUCKED AND RAN OUT OF FORWARD TRIM. SIMULTANEOUSLY, THERE WAS EXTREME PRESSURE ON THE YOLK IN ORDER TO REMAIN LEVEL. THE STAB MISCOMPARE LIGHT ILLUMINATED MOMENTARILY. THE CREW RAN THE STAB MISS COMP CHECKLIST, AND SAFELY LANDED WITH FLAP 0. DURING POST FLIGHT, NOTICED THE HORIZONTAL STAB WAS IN THE "LAND" POSITION AND FLAPS WERE 0. REMOVED AND REPLACED AIRSPEED SWITCH. PERFORMED SATISFACTORY OPS CHECK OF THE TWO POSITION HORZORIZONTA STAB. PERFORMED SATISFATORY LEAK AND OPS CHECK OF THE AIRSPEED SWITCH IAW AMM 27-40-00

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