Service difficulty report · Autothrottle Sys · Boeing 777222

Difficulty date
July 19, 2010
Submitted
August 11, 2010
Operation
Air carrier
Aircraft
N785UA
Make and model
Boeing 777222
Aircraft serial
26954
Aircraft time
59,386 hours, 8,618 cycles
Engine
Pwa PW4090
Part
Autothrottle Sys
Condition
Failed
Stage of operation
CR
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

AUTOTHROTTLE DISC AUTOMATIC OR MANUAL DISENGAGEMENT OF AUTOTHROTTLE (A-T) SYS. AUTOTHOTTLE DISCONNECTED DURING ELECTRICAL STORM. ABLE TO RECONNECT LATER. ACCOMPLISHED FIM22-31-937. CKS OK. ACCOMPLISHED CAT III CK. CKS OK.