Service difficulty report · Ecu · Boeing 747409

Difficulty date
November 28, 2012
Submitted
December 4, 2012
Operation
Air carrier
Aircraft
N18210
Make and model
Boeing 747409
Aircraft serial
33734
Aircraft time
39,950 hours, 5,942 cycles
Engine
Ge CF680C2B1F
Part
Ecu
Condition
Malfunctioned
Location
Mlg
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

(B-18210) CAS WARNING MESSAGE "CONFIG GEAR CTR" CAME OUT DURING TAKE OFF. AFTER REJECTED, STATUS MESSAGE "BODY GEAR STRG SYS". REPLACED ELEC CONTROL UNIT AND SERVO VALVE. PERFORMED SERVO VALVE LEAK CHECKS AND BODY GR STGR OPS CHECK. THE RESULTS ARE NORMAL.