Service difficulty report · Uplock Switch · Cessna 680A

Difficulty date
November 29, 2025
Submitted
December 2, 2025
Operation
Air carrier
Aircraft
N641QS
Make and model
Cessna 680A
Aircraft serial
680A0259
Aircraft time
5,834 hours, 3,847 cycles
Part
Uplock Switch
Condition
Faulted
Location
Zone 700
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

DURING GEAR DOWN. RECEIVED NOSE GEAR DISAGREE LIGHT. RAN QRH (LANDING GEAR WILL NOT EXTEND) CHKLIST,. NOSE GEAR STILL HAD YELLOW DISAGREE LIGHT. AFTER APPROXIMATELY 5 MINS. GREEN LIGHT APPEARED AFTER MAKING A FEW TURNS. R & R NLG UPLOCK SWITCH IAW AMM 32-32-10. OPS CHKD GOOD IAW 32-00-00.

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