Service difficulty report · Unknown · Boeing 737890

Difficulty date
June 19, 2011
Submitted
June 23, 2011
Operation
Air carrier
Aircraft
N594AS
Make and model
Boeing 737890
Aircraft serial
35191
Aircraft time
12,163 hours, 3,866 cycles
Part
Unknown
Condition
Malfunctioned
Location
Autothrottle Sys
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

DURING CLIMB AUTOTHROTTLES DISENGAGED. PRIOR TO DISENGAGING NR 1 THROTTLE INCREASED N1 BY 1.8 PERCENT. FOUND MSG22 31688 ASM 2 IN FAULT HISTORY PAGE. ACCOMPLISHED FIM TASK 22 32 00 810 819. VERIFIED A/T BITE TORQUE TESTS ARE SATISFACTORY AND NO FAULT MSG PRESENT IN CURRENT STATUS. PERFORMED A/T SYSTEM OPS TEST SUCCESSFUL ON GROUND PER AMM TASK 22 31 00 710 801.