Service difficulty report · Autothrottle Sys · Boeing 777222

Difficulty date
December 16, 2013
Submitted
December 19, 2013
Operation
Air carrier
Aircraft
N783UA
Make and model
Boeing 777222
Aircraft serial
26950
Aircraft time
74,616 hours, 10,408 cycles
Engine
Pwa PW4090
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AUTO THROTTLE ISSUE, UNCOMMANDED CHANGE IN THRUST MODE.