Service difficulty report · Sensor · Boeing 757222

Difficulty date
February 2, 2011
Submitted
February 21, 2011
Operation
Air carrier
Aircraft
N574UA
Make and model
Boeing 757222
Aircraft serial
26686
Aircraft time
60,322 hours, 22,227 cycles
Engine
Pwa PW2040
Part
Sensor
Condition
Faulted
Location
Rt Mlg
Stage of operation
CL
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

CREW REPORTS AFTER TAKEOFF UNABLE TO RAISE THE LANDING GEAR HANDLE PAST THE OFF POSITION. SEVERAL EICAS MSGS FLASHED ON AND OFF. 1 EICAS MESSAGE REMAINED ON GEAR DISAGREE. USED THE LANDING GEAR LOCK OVERRIDE SWITCH TO RAISE THE GEAR. WHEN THE LOCK OVERRIDE SWITCH WAS PRESSED THE LANDING GEAR HANDLE COULD BE MOVED TO THE UP POSITION AND LANDING GEAR CAME UP NORMALLY. NLG COMPRESS SENSOR WAS REPLACED BUT FAILED AGAIN FAULTING RT MLG TILT SENSOR. REPLACED RT MLG TILT SENSOR S10059 AND GEAR SWINGS GOOD.