Service difficulty report · Check Valve · Cessna 680SOV

Difficulty date
November 22, 2025
Submitted
November 25, 2025
Operation
Air carrier
Aircraft
N324QS
Make and model
Cessna 680SOV
Aircraft serial
6800242
Part
Check Valve
Part number
105230
Condition
Faulted
Location
Zone 700
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

AFTER DEPARTURE AND AFTER LIFTING THE GEAR RETRACTION HANDLE, THE RIGHT MAIN GEAR LIGHT REMAINED ILLUMINATED. THE TOWER ALSO CONFIRMED THAT THE RIGHT MAIN GEAR WAS STILL EXTENDED IN THE DOWN POSITION. WE RAN THE QRH AND EXTENDED THE LANDING GEAR AND ALL THREE GREEN LIGHTS ILLUMINATED AND WE LANDED WITHOUT INCIDENT. REMOVED LANDING GEAR CONTROL TEE CHECK VALVE AND REPLACED WITH A NEW IAW AMM 32-30-20. PERFORMED LANDING GEAR CYCLE TEST AND OPERATIONAL TEST, AND AIRCRAFT SYSTEM BLEEED IAW AMM 32-00.00 WITH NO DEFECTS NOTED.