Service difficulty report · Autothrottle Sys · Boeing 737890

Difficulty date
March 5, 2012
Submitted
March 7, 2012
Operation
Air carrier
Aircraft
N597AS
Make and model
Boeing 737890
Aircraft serial
35689
Aircraft time
14,791 hours, 4,769 cycles
Part
Autothrottle Sys
Condition
Malfunctioned
Location
Cockpit
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

AUTOTHROTTLE DISENGAGED AFTER TAKEOFF UNABLE TO RE-ENGAGE NO C/B'S POPPED. UNABLE TO DUP/VERIFY DISCREP REF FIMS 22 32 TASK 806 FIM 22 31 TASK 801/805 FLT FAULT REVIEW SHOWED ASM 2 RATE MONITOR FAULT. PERFORMED A/T CURRENT STATUS BITE AND INTERACTIVE SERVO MOTOR TEST. ALL GOOD.