Service difficulty report · Autothrottle Sys · Boeing 737990ER

Difficulty date
May 21, 2014
Submitted
May 23, 2014
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737990ER
Aircraft serial
41732
Aircraft time
5,715 hours, 1,815 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
Stage of operation
CL
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

AUTOTHROTTLES WOULD NOT ENGAGE AFTER TAKEOFF. CIRCUIT BREAKER (P-18-1) FOUND OPEN. IT WAS CONFIRMED CLOSED BY BOTH PILOTS DURING PREFLIGHT. ACFT GROUNDED. RESET CIRCUIT BREAKER IAW MM 20-60-01. AUTOTHROTTLE OPS TESTED GOOD IAW MM 22-31-00.