SDR SWAA094745

Service difficulty report · Uplock Actuator · Boeing 737301

Difficulty date
July 22, 2009
Submitted
July 24, 2009
Operation
Air carrier
Aircraft
N659SW
Make and model
Boeing 737301
Aircraft serial
23229
Aircraft time
72,688 hours, 54,764 cycles
Part
Uplock Actuator
Part number
65448106
Part serial
8315
Condition
Faulty
Location
Lt Mlg
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 AND AFTER LANDING GEAR RETRACTION, LT MLG UNSAFE (RED) LIGHT REMAINED ILLUMINATED. CYCLED GEAR HANDLE AND LIGHT WENT OUT. REMOVED AND REPLACED BOTH UPLOCK ACTUATOR AND UPLOCK SENSOR MM.