Service difficulty report · Uplock Actuator · Boeing 7378H4

Difficulty date
December 5, 2018
Submitted
December 12, 2018
Operation
Air carrier
Aircraft
N8322X
Make and model
Boeing 7378H4
Aircraft serial
36997
Aircraft time
22,244 hours, 9,674 cycles
Part
Uplock Actuator
Part number
273A12012
Part serial
4500
Condition
Faulty
Location
Nlg
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

AFTER TAKEOFF LANDING GEAR RETRACTED NORMALLY, WHEN GEAR LEVER MOVED TO OFF THE NOSE GEAR EXTENDED. INDICATIONS WERE RED AND GREEN NOSE GEAR LIGHTS. R&R NOSE LANDING GEAR UPLOCK ACTUATOR IAW AMM.

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