Service difficulty report · Downlock Switch · Cessna 680SOV

Difficulty date
March 20, 2026
Submitted
March 24, 2026
Operation
Air carrier
Aircraft
N334QS
Make and model
Cessna 680SOV
Aircraft serial
6800164
Aircraft time
15,315 hours, 10,128 cycles
Part
Downlock Switch
Part number
603733
Condition
Defective
Location
Zone 700
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

AFTER TAKEOFF, RAISED LANDING GEAR. RIGHT MAIN GEAR INDICATION REMAINED GREEN WITH THE GEAR LEVER IN THE UP LOCKED POSITION. LOWERED LANDING GEAR, AS PER THE CHECKLIST. ALL GEAR LOCKED DOWN INDICATING GREEN. WE EXPERIENCED NO VIBRATION OR ADVERSE YAW. CORRECTIVE ACTION: REPLACED RH MLG DOWNLOCK SWITCH. OPS CHECK GOOD. IAW AMM 32-30-40.