Service difficulty report · Uplock Switch · Cessna 750

Difficulty date
November 10, 2011
Submitted
November 15, 2011
Operation
Air carrier
Aircraft
N955QS
Make and model
Cessna 750
Aircraft serial
7500055
Aircraft time
11,374 hours, 7,135 cycles
Part
Uplock Switch
Part number
S31771
Part serial
148515
Condition
Failed
Location
Nlg
Stage of operation
CL
How discovered
O
Nature of condition
E
Precautionary procedure
O

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

What was found

NOSE GEAR BUMP HEARD AND FELT 3 TIMES DURING THE FIRST 30 MINS OF THE FLIGHT. R & R NOSE UPLOCK SWITCH. CYCLED GEAR SEVERAL TIMES. OPS CHECKED GOOD IAW MM CH 32-60-00.

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