Service difficulty report · Wire · Piper PA28181

Difficulty date
May 21, 2003
Submitted
July 23, 2003
Operation
General aviation
Aircraft
N4149Y
Make and model
Piper PA28181
Aircraft serial
2843128
Engine
Lyc O360A4M
Part
Wire
Condition
Burned
Location
Overhead Panel
Part time
3,990 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

THE WIRING, CONNECTOR AND PINS IN THE PANEL ASSY OVERHEAD SWITCHES ARE MELTED AND SHORTED OUT. THE CONNECTOR IS P5 AND THE WIRES ARE L1B20, L1D20, AND L3B18 WHICH GOES TO THE LANDING LIGHT SWITCH, NAV. LIGHTS SWITCH, AND THE STROBE SWITCH. BELIEVED THE CAUSE IS HIGHTER RESISTANCE WAS CREATED AND WITH THE AMOUNT OF CONTINUOUS CURRENT FLOW CREATED ENOUGH HEAT TO MELT THE CONNECTORS AND BURNED THE PINS. ECOMMENDATION IS TO US A HIGHTER AMP CONNECTOR AND PINS.

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