Service difficulty report · Autothrottle Sys · Boeing 737990ER

Difficulty date
January 31, 2018
Submitted
February 2, 2018
Operation
Air carrier
Aircraft
N495AS
Make and model
Boeing 737990ER
Aircraft serial
41728
Aircraft time
7,711 hours, 2,584 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
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

ON TAKEOFF AUTOTHROTTLE FAILED LOW SPEED ABORT. ACFT GROUNDED. ACCOMPLISHED DFCS BITE PROCEDURES IAW FIM 22-11 TASK 801, DFCS LAND VERIFY TEST IAW AMM 22-11-00/201, A/T BITE PROCEDURE IAW FIM 22-31 TASK 801 & HGS SYSTEM TEST IAW AMM 34-36-00, OPS CHECKED NORMAL. GVI BOTH AOA SENSORS & VERIFIED NOT BINDING.