SDR ASAA2020102533415

Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date: October 25, 2020
Submitted: October 27, 2020
Operation: Air carrier
Aircraft: N584AS
Make and model: Boeing 737890
Aircraft serial: 35682
Aircraft time: 48,673 hours, 14,455 cycles
System (JASC): 2230 · Auto Throttle System
Part: Autothrottle Sys
Condition: Malfunctioned
Stage of operation: NR
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

AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED-YES. PERFORMED A/T OPERATIONS TEST, IAW B737-800 AMM 22-31-00-710-801 AND SYSTEM TEST IAW AMM 22-31-00710-802. NO FAULTS NOTED. ALL TESTS PASS. PERFORMED LAND VERIFY TEST, IAW AMM 22-11-00-710-801. NO FAULTS FOUND.