Service difficulty report · Uplock Switch · Cessna 750

Difficulty date
March 29, 2019
Submitted
April 2, 2019
Operation
Air carrier
Aircraft
N48HF
Make and model
Cessna 750
Aircraft serial
7500220
Aircraft time
10,404 hours, 6,026 cycles
Part
Uplock Switch
Part number
S31771
Condition
Failed
Location
Mlg
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

WHILE DESCENDING OUT OF FL320, THE CREW HEARD A LOUD BANG FROM THE UNDER CARRIAGE OF THE AIRCRAFT. CREW NOTICED A RED-INDICATION ON THE GEAR UNLOCK FUNCTION FROM THE CONTROL PANEL. THE AIRPLANE LANDED WITHOUT INCIDENT.

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