Service difficulty report · Bearing · Boeing 757224

Difficulty date
December 9, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N14120
Make and model
Boeing 757224
Aircraft serial
27562
Part
Bearing
Part number
273N40042
Condition
Failed
Location
Lt Mlg Actuator
Stage of operation
CL
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

THE GEAR LIGHT ON FORWARD PANEL AND GEAR DISAGREE ON EICAS ACTIVATED AFTER TAKEOFF. THE GEAR WAS CYCLED AND NORMAL INDICATIONS WERE RECEIVED. THE FLIGHT WAS CONTINUED TO EWR WHERE IT LANDED WITHOUT FURTHER PROBLEM. TROUBLESHOOTING FOUND THE LT MLG ALTERNATE UPLOCK RELEASE ACTUATOR HEAD END AND ROD END BEARINGS BINDING. THE LT MLG ALTERNATE UPLOCK RELEASE ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-35-0. A GEAR SWING WAS PERFORMED IN NORMAL AND ALTERNATE WITH NO DEFECTS FOUND.