Service difficulty report · Uplock Actuator · Boeing 7374Y0

Difficulty date
September 19, 2017
Submitted
September 20, 2017
Operation
Air carrier
Aircraft
N688XA
Make and model
Boeing 7374Y0
Aircraft serial
24688
Aircraft time
50,745 hours, 30,673 cycles
Part
Uplock Actuator
Part number
65448103
Part serial
DA157
Condition
Malfunctioned
Location
Rt 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

WHEN SELECTING LANDING GEAR LEVER TO DOWN POSITION RIGHT MAIN LANDING GEAR DID NOT EXTEND IN THE NORMAL OPERATION, HAD TO EXTEND IN MANUAL OPERATION.