SDR AALA202002059001

Service difficulty report · Autothrottle Sys · Boeing 737823

Difficulty date: February 2, 2020
Submitted: February 5, 2020
Operation: Air carrier
Aircraft: N931NN
Make and model: Boeing 737823
Aircraft serial: 33230
Aircraft time: 21,147 hours, 8,720 cycles
System (JASC): 2230 · Auto Throttle System
Part: Autothrottle Sys
Condition: Malfunctioned
Stage of operation: LD
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

AIRCRAFT NOT GROUNDED: AFTER TOUCHDOWN WITH SPEEDBRAKES DEPLOYED, AUTO THROTTLE TRIED TO ADVANCE THROTTLES. PERFORMED AUTO THROTTLE BITE IAW AMM 22-11-00. FAULTS FOUND FOR R/A SYSTEM. PERFORMED R/A RESET AND OPS CHECK; ALL CHECKS FOUND GOOD.