Service difficulty report · Insulator · Boeing B17G

Difficulty date
July 14, 2010
Submitted
August 27, 2010
Operation
General aviation
Aircraft
N5017N
Make and model
Boeing B17G
Aircraft serial
4485740
Engine
Wright R182097
Part
Insulator
Part number
A29589
Condition
Fragmented
Location
Mlg Motor
Part time
871 hours
Component
Motor
Component part number
10733B
Stage of operation
IN
How discovered
9
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

THE LANDING GEAR DOWN POST "F" TERMINAL, FIELD COIL SHORTED TO GROUND INSIDE THE LT MLG MOTOR ASSY. REPAIR FACILITY WAS CONSULTED AS TO THE PROBABLE CAUSE OF THE ERMINAL INSULATOR FAILURE. THEY INDICATED EITHER OVER-TIGHTENING OF THE TERMINAL HARDWARE OR DAMAGE TO THE TERMINAL INSULATOR DURING SHIPMENT OR STORAGE. TERMINAL GUARDS ARE NOW EMPLOYED.

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