Service difficulty report · Uplock Switch · Cessna 560XL

Difficulty date
August 14, 2012
Submitted
September 17, 2012
Operation
Air carrier
Aircraft
N594QS
Make and model
Cessna 560XL
Aircraft serial
5605697
Aircraft time
4,798 hours, 3,768 cycles
Engine
Pwc PW545B
Part
Uplock Switch
Part number
65430087
Part serial
4797451
Condition
Unserviceable
Location
Mlg
Part time
2,129 hours, 1,649 cycles
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

TROUBLESHOT LANDING GEAR SYS, FOUND UPLOCK ACTUATOR LINK/ SPRING ASSY STICKING IN THE RETRACTED POSITION. ALSO FOUND NLG UPLOCK SWITCH INTERMITTENT. R & R NOSE UPLOCK SWITCH AND NOSE UPLOCK LINK IAW THE MM 32-30-05. OPS CHECKED SATISFACTORY. LINK WAS REMOVED FROM N604QS, 560-5574 FOR USE ON 560-5697, N594QS. INSTALLED SPRING IAW THE MM 32-30-05. PARTS: SPRING (PN: 5527401-3, NSN) LINK (PN: 6642632-6, NSN).

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