Service difficulty report · Trim Motor · Boeing 7378H4

Difficulty date
April 21, 2020
Submitted
April 27, 2020
Operation
Air carrier
Aircraft
N8570W
Make and model
Boeing 7378H4
Aircraft serial
36952
Aircraft time
6,845 hours, 3,029 cycles
Part
Trim Motor
Part number
6355C000101
Part serial
4919
Condition
Failed
Location
Horiz Stab
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

STAB TRIM ELECTRIC FAILED DURING INITIAL CLIMB. BOTH YOKE TRIMS UNABLE TO ACTUATE STAB TRIM. QRH PROCEDURES FOLLOWED. MANUAL TRIM FUNCTIONAL FOR LANDING / R/R STAB TRIM MOTOR PER AMM 27-41-71. ISSUE# 2879671PN OFF 6355C0001-01 PN ON 6355C0001-02SN OFF 4919 SN ON 05012

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