Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
May 18, 2017
Submitted
May 22, 2017
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
34,526 hours, 10,474 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 AUTOTHROTTLE BITE IAW FIM 22-31, TASK 801. NO CURRENT FAULTS. INFLIGHT FAULTS FLT LEG 7 AND 8. PERFORMED IAW FIM 22-32 TASK 819. ALL TESTS OK. NO HISTORY 90 DAYS.