Service difficulty report · Pressure Switch · Cessna 560XL

Difficulty date
October 25, 2025
Submitted
December 23, 2025
Operation
Air carrier
Aircraft
N846JS
Make and model
Cessna 560XL
Aircraft serial
5605355
Aircraft time
11,809 hours, 8,593 cycles
Part
Pressure Switch
Condition
Out Of Position
Location
Zone 100
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

CABIN ALT LIGHT CAME ON PASSING THRU 2600, CABIN ALT REACHED 14000 SAME. T/S FOUND ENG SELECT PRESS SOURCE SWITCH IN COCKPIT TO BE CLOCKED WRONG, WAS IN OFF POSITION BUT SHOWING THAT IT WAS IN NORM, ADJUSTED KNOB OPS CK GOOD AT THIS TIME, VERIFIED CLIMB DIVE SOLENOID CHECK OPS CK GOOD, RAN ENGS AND VERIFIED NORMAL PRESSURIZATION ON THE GROUND.

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