Service difficulty report · Wire Harness · Piper PA44180

Difficulty date
August 4, 2014
Submitted
August 4, 2014
Operation
General aviation
Aircraft
N38FJ
Make and model
Piper PA44180
Aircraft serial
4495009
Aircraft time
9,500 hours
Part
Wire Harness
Condition
Misrouted
Location
Mlg
Part time
9,500 hours
Stage of operation
NR
How discovered
9
Nature of condition
W
Precautionary procedure
O

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

What was found

THE WIRE BUNDLE GOING TO THE RT MLG SQUAT SWITCH WAS ROUTED INCORRECTLY. THIS SITUATION CREATED A STRESS POINT AT THE ROOT OF THE SQUAT SWITCH WHERE THE WIRES JUST START TO COME OUT. IT CAUSED THE WIRES TO BEND EVERY TIME THE GEAR WAS CYCLED EITHER UP OR DOWN. WHEN THE WIRE BUNDLE IS ROUTED CORRECTLY THIS PROBLEM DOES NOT EXIST. THIS CONTINUOUS BENDING BACK AND FORTH CAUSED THE WIRE FOR THE GEAR DOWN AND LOCKED GREEN LIGHT NOT TO ILLUMINATE WHEN THE GEAR WAS IN FACT IN THE DOWN AND LOCKED POSITION.

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