Service difficulty report · Servo · Boeing 737890

Difficulty date
October 10, 2013
Submitted
October 14, 2013
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
19,819 hours, 6,185 cycles
Part
Servo
Part number
305RAA1
Part serial
AS06267
Condition
Failed
Location
Autothrottle
Part time
2,306 hours, 691 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

AUTOTHROTTLE DISENGAGED ON TAKEOFF ROLL. TRIED TO ENGAGE ON CLIMB AND RECEIVED THROTTLE SPLIT AND AUTOTHROTTLE DISENGAGED AGAIN. AUTOTHROTTLE INOPERATIVE. ACFT GROUNDED. REPLACED AUTOTHROTTLE SERVO MOTOR NR 2 IAW AMM 22-31-91, OPS CHECK GOOD.