Service difficulty report · Wire

Difficulty date
November 2, 2011
Submitted
November 18, 2011
Operation
General aviation
Part
Wire
Condition
Damaged
Location
Contactor
Component
Contactor
Component part number
A703V
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

DURING DISASSEMBLY OF THE GENERATOR, ON THE START CONTACTOR REPAIR EVALUATION, FOUND THE 2 RED WIRES CONNECTING THE FRONT AUXILLIARY SWITCH TO TERMINAL POSTS 13 AND 14 HAD BLACK SHRINK TUBING INSTALLED. WHEN THE SHRINK TUBING WAS REMOVED FOR INSPECTION, THE CONDITION OF THE WIRES WERE FOUND TO BE UNACCEPTABLE. THE INSULATION WAS MELTED AND THE WIRES WERE HARD TEMPERED FROM EXCESSIVE HEAT AND CURRENT.