Service difficulty report · Wire · Piper PA31T

Difficulty date
December 12, 2002
Submitted
January 21, 2003
Operation
Air carrier
Make and model
Piper PA31T
Aircraft time
10,096 hours
Engine
Pwa PT6A28
Part
Wire
Part number
2929316
Condition
Burned
Location
Lt Generator
Part time
10,491 hours
Stage of operation
CR
How discovered
O
Nature of condition
H, J
Precautionary procedure
O

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

What was found

(CAN) DURING CRUISE, THE LT GENERATOR INOP LIGHT CAME ON, THE PILOT ATTEMPTED TO CYCLE THE GENERATOR SWITCH, BUT FAILED AGAIN TO COME BACK ON LINE. MAINTENANCE FOUND THE WIRE CABLE ASSEMBLY BURNED NEAR THE CROSS TIE SWITCH AT THE CRIMPED TERMINAL. THIS ASSEMBLY WAS MADE USING ALUMINUM WIRE. AND OWING TO THE HIGH AIRFRAME TIME WAS THE PROBLEM CAUSE. ASSEMBLY WAS REPLACED USING COPPER WIRE.

More about the Piper PA-31T