Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
September 24, 2014
Submitted
September 30, 2014
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
26,067 hours, 8,012 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AFTER TAKEOFF, AUTO THROTTLE DISCONNECTED. STOPPED BELOW 20 KNOTS. ACFT GROUNDED. UNABLE TO DUPLICATE DEFECT. AUTOTHROTTLE CURRENT STATUS TEST AND SERVO MOTOR TEST SHOWED NO FAULTS. PERFORMED AUTO THROTTLE, OPS TEST IAW MM 22-31-00-710-801. ALL TESTS PASS. ACFT IS QUALIFIED FOR CAT III AN AUTOLAND AND HGS OPS AND STATUS PLACARD REFLECTS SAME.