Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
February 12, 2020
Submitted
February 14, 2020
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
43,480 hours, 12,903 cycles
Part
Autothrottle Sys
Condition
Disconnected
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AUTOTHROTTLE DISENGAGED ON FINAL APPROACH WOULD NOT REARM. GROUNDED - YES. A/T BITE SHOWS MULTIPLE A/T ENG 28 VDC INV MSG 22-31543 LAST LEG. ACCOMPLISHED CURRENT STATUS BITE REF B737-800 FIM 22-31 TASK 801. OPS NORMAL REF SAME.