Service difficulty report · Wire · Cessna 650

Difficulty date
November 4, 2020
Submitted
November 5, 2020
Operation
Air carrier
Aircraft
N650SF
Make and model
Cessna 650
Aircraft serial
6500034
Aircraft time
10,273 hours, 7,317 cycles
Part
Wire
Part number
CT620E06N
Condition
Detached
Location
Mlg Indicator
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

PILOT REPORTED THE RIGHT GREEN GEAR LIGHT ILLUMINATED WHEN THE GEAR WAS UP DURING CLIMB. CAUSE: FOUND BROKEN WIRE AT PIN "C" OF THE UPLOCK SWITCH JW8. THIS WAS GIVING A FALSE INDICATION THAT THE RIGHT GEAR WAS ALREADY UP AND CAPTURED WHICH DISCONTINUED HYDRAULIC PRESSURE TO THE RIGHT GEAR BEFORE IT WAS ACTUALLY ALL THE WAY UP ALLOWING THE GEAR TO FREE FALL TO THE DOWN AND LOCKED POSITION. THEREFORE CAUSING THE RIGHT GEAR GREEN LIGHT TO ILLUMINATE. CORRECTIVE ACTION: REPLACED CONNECTOR P/N: CTJ620E06N AND FUNCTION THE LANDING GEAR SYSTEM WITH REFERENCE TO THE CITATION 650 AMM REV 38 SECTION 32-00-01-06 REV 33. OPERATIONAL CHECKED SATISFACTORY WITH NO OTHER DEFECTS NOTED.

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