Service difficulty report · Metering Unit · Boeing 777222

Difficulty date
January 21, 2013
Submitted
January 29, 2013
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
46,762 hours, 5,673 cycles
Engine
Pwa PW40903
Part
Metering Unit
Condition
Malfunctioned
Location
Nlg Steering
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

WHILE DOING FUNCTIONAL TEST OF NOSE WHEEL STEERING, NOSE WHEELS TURNED LEFT AND RIGHT BUT WOULD NOT RETURN TO NEUTRAL, THEY STAYED AT 3 DEGREES TO THE RIGHT. COMPLETE NOSE LANDING GEAR SYSTEM TEST. AFTER ACFT IN HANGAR AND WARMED UP, NO PROBLEMS WERE NOTED. ACP FIM 32-53 TASK 814 PAPA A. REPLACED NOSE STEERING METERING UNIT.