Service difficulty report · Wire · Cessna 172M

Difficulty date
January 29, 2016
Submitted
April 22, 2016
Operation
General aviation
Make and model
Cessna 172M
Aircraft time
7,067 hours
Engine
Lyc O320E2D
Propeller
Mcauly 1C160DTM
Part
Wire
Part number
LF14
Condition
Burned
Location
Switch
Part time
7 hours
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

(CAN) WIRE PROVIDES POWER TO THE BEACON LIGHT ON THE VERTICAL SECTION. WIRE SECTION BETWEEN SWITCH AND CONNECTOR HAD BEEN REPAIRED WITH A BUTT CONNECTOR. WIRE LENGTH IS ABOUT 7". WIRE OVERHEATED AND CHARRED THE INSULATION. WIRING IS ORIGINAL WITH OVER 7,000 HRS AND 40 YEARS OLD. IT IS UNKNOWN IF THE SPADE CONNECTOR TO THE SWITCH IS ORIGINAL OR HAS BEEN REPLACED. THE SECTION OF WIRE TO THE CONNECTOR TERMINAL IS ORIGINAL. WIRE BEYOND THE CONNECTOR APPEARS TO BE SERVICEABLE.

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