Service difficulty report · Motor · Boeing 73776Q

Difficulty date
March 19, 2015
Submitted
March 31, 2015
Operation
Air carrier
Aircraft
N997AM
Make and model
Boeing 73776Q
Aircraft serial
30283
Aircraft time
42,045 hours, 23,859 cycles
Part
Motor
Part number
305RAA1
Part serial
AS02506
Condition
Failed
Location
Autothrottle Sys
Part time
42,045 hours, 23,859 cycles
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

AIRCRAFT REJECTED TAKEOFF AT 65 KNOTS DUE TO AUTO THROTTLE OSCILLATIONS IN THRUST LEVER 1. AT PLATFORM, AUTO THROTTLES TEST WAS PERFORMED IAW FIM 22-31 TASK 801 WITH FAIL CODE ASM1. DIFFERED AUTO THROTTLE IAW MEL 22-15-3 C. HIGH ENERGY STOP INSPECTION WAS PERFORMED IAW MM 05-51-07, NO DAMAGES WERE FOUND. DURING OVERNIGHT CHECK, SERVO MOTOR OF THE LT AUTO THROTTLE WAS REPLACED IAW MM 22-31-00, TESTED CORRECT.

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