Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
May 25, 2019
Submitted
May 28, 2019
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
24,466 hours, 7,990 cycles
Part
Unknown
Condition
Malfunctioned
Location
Autothrottle Sys
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

AUTOTHROTTLES WOULD NOT ARM. GROUNDED - YES. PERFORMED AUTOTHROTTLE BITE TEST. NO CURRENT FAULTS. PERFORMED AUTOTHROTTLE SERVO MOTOR TEST. NO FAULTS. ALL TESTS PASSED; INTERMITTENT FAULT. RE FIM 22-31 TASK 801 AND AMM 22-31-00.