Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
April 6, 2018
Submitted
April 9, 2018
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
37,216 hours, 11,170 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AUTOTHROTTLES DISENGAGED DURING CLIMBOUT AND WOULD NOT REENGAGE. ACFT GROUNDED. PERFORMED FIM 22-32/806 AND NO FAULTS FOUND. PERFORMED FIM 22-31/805 AND NO FAULTS FOUND. PERFORMED GOOD AUTOTHROTTLE OPS TEST IAW AMM 22-31-00-710-801. PERFORMED GOOD SYSTEM TEST OF AUTOTHROTTLE SYSTEM IAW AMM 22-31-00-710-802. COULD NOT DUPLICATE. NO HISTORY PAST 30 DAYS.