Service difficulty report · Pressure Switch · Cessna 560XL

Difficulty date
September 16, 2017
Submitted
September 22, 2017
Operation
Air carrier
Aircraft
N513UP
Make and model
Cessna 560XL
Aircraft serial
5605794
Aircraft time
6,205 hours, 4,526 cycles
Part
Pressure Switch
Part number
D45C24
Part serial
1441
Condition
Defective
Location
Airspeed
Part time
6,205 hours, 4,526 cycles
Stage of operation
CL
How discovered
O
Nature of condition
F, J
Precautionary procedure
A

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

What was found

NO PITCH TRIM PASSING 200 KTS, AUTO OR MANUAL. STAB MISCOMPARE ANNUNCIATOR ILLUMINATED AND AUTOPILOT DISENGAGED. EMERGENCY DECLARED AND DIVERTED. LANDING WAS UNEVENTFUL. MAINTENANCE TROUBLESHOT THE DISCREPANCY TO A FAULTY AIRSPEED DIFFERENTIAL PRESSURE SWITCH. A SUCCESSFUL OPS CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.

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