Service difficulty report · Control Unit · Boeing 777224

Difficulty date
January 3, 2015
Submitted
January 6, 2015
Operation
Air carrier
Aircraft
N76021
Make and model
Boeing 777224
Aircraft serial
39776
Aircraft time
23,228 hours, 2,071 cycles
Part
Control Unit
Part number
75860004
Part serial
0955
Condition
Malfunctioned
Location
Nlg Steering
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

MAIN GEAR STEERING EICAS WARNING MSG ON TAKEOFF ROLL AT ABOUT 20 - 30K. DID NOT ENGAGE TOGA ABORTED TAKEOFF. R & R MAIN GEAR STEERING CONTROL UNIT IAW AMM 32-53-02-420-801. OPERATIONS CHECKED GOOD.