Service difficulty report · Uplock Switch · Cessna 560XL

Difficulty date
February 6, 2010
Submitted
February 8, 2010
Operation
Air carrier
Aircraft
N603QS
Make and model
Cessna 560XL
Aircraft serial
5605203
Aircraft time
7,890 hours, 6,358 cycles
Part
Uplock Switch
Part number
65430087
Condition
Faulted
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

GEAR RAISED ON TAKEOFF. GREEN LIGHTS WENT OUT BUT RED INTRANSIT REMAINED ON FOLLOWED BY STAB MISCOMPARE. CREW LOWERED GEAR. GEAR LOCKED DOWN . HYD PRESS & STAB MISCOMPARE LIGHTS WENT OUT. FLAPS WERE UP. WE RAISED GEAR AGAIN. ALL GREEN LIGHTS WENT OUT BUT RED IN TRANSIT REMAINED ON. CREW LOWERED GEAR. IT LOCKED DOWN AS NORMAL. PERFORMED HORIZONTAL STAB OPS CHECK IAW MM 27-90-40, OPS CHECK GOOD, R & R NOSE GEAR UPLOCK SWITCH IAW MM 32-61-00. OPS CHECK GOOD.

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