Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
January 17, 2016
Submitted
January 20, 2016
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
29,277 hours, 8,975 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

AUTOTHROTTLES NOT WORKING. ACFT GROUNDED. FOUND CB AUTOTHROTTLE DC-1 OPEN. RESET CB REF AMM 20-60-01. PERFORMED AUTOTHROTTLE BITE AND FOUND NO FAULTS CURRENT STATUS. FLT LEG 01 HAS FAULT 22-31263. PERFORMED FIM 22-31, TASK 810. ALL TESTS PASSED. PERFORMED LWMP TESTS REF AMM 22-31-10, FIM 22-11, TASK 802, BITE GROUP 43 LRU REPLACEMENT TEST FOR A/T. TESTS PASS.