Service difficulty report · Uplock Switch · Cessna 560CESSNA

Difficulty date
January 22, 2004
Submitted
March 3, 2004
Operation
Air carrier
Aircraft
N647CE
Make and model
Cessna 560CESSNA
Aircraft serial
5600647
Engine
Pwa PW535A
Part
Uplock Switch
Part number
65430087
Condition
Pinched
Location
Nlg
Part time
226 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

THE NOSE LANDING GEAR FAILED TO LOCK IN THE UP POSITION. THE NOSE GEAR WOULD RETRACT AND EXTINGUISH THE HYDRAULIC PRESSURE LIGHT, BUT WOULD THEN FALL BACK OUT OF THE WHEEL WELL. FOUND SHIMMY DAMPENER INTERFERING WITH THE NOSE GEAR UPLOCK SWITCH WIRE BUNDLE. THE WIRES WERE NOT SECURED TIGHT ENOUGH TO THE ANCHORS. REPAIRED THE WIRE BUNDLE AND ENSURED THAT THE WIRES WERE SECURED TO THE ANCHORS.