Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
July 22, 2013
Submitted
July 25, 2013
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
6,123 hours, 1,769 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
CR
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

AUTOTHROTTLES AT CRUISE CONTINUALLY DISENGAGE POSSIBLE SLIP, SPLIT IN MOVEMENT, NR 1 THROTTLE LEADS THEN TRIPS SYS OFF. ACFT GROUNDED. OPEN