Service difficulty report · Autothrottle Sys · Boeing 737990ER

Difficulty date
December 25, 2016
Submitted
December 27, 2016
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
12,316 hours, 4,010 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
NR
How discovered
9
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 WILL NOT ENGAGE. ACFT GROUNDED. PERFORMED A/T CURRENT STATUS TEST AND INTERACTIVE THROTTLE TEST FOR SERVOMOTORS PER A/T OPERATIONAL TEST IAW AMM 22-31-00, ALL OPS NORMAL. NO DEFECTS NOTED. NO PREV HISTORY LAST 30 DAYS.