Service difficulty report · Autothrottle Sys · Boeing 767322

Difficulty date
August 2, 2011
Submitted
August 3, 2011
Operation
Air carrier
Aircraft
N656UA
Make and model
Boeing 767322
Aircraft serial
25394
Aircraft time
78,651 hours, 12,621 cycles
Engine
Pwa PW4060
Part
Autothrottle Sys
Condition
Malfunctioned
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

AUTOTHROTTLE FAIL AT STATUS ON ADI IS BLANK. TMC APPEARS OK. LEG FAULT A-T DISC TMC 01310800 AND TEST FAILURE OF MCDP-TMC. REPLACED TMC. AUTOLAND TEST 02, 30, 40 PASSED.