Service difficulty report · Coil · Cessna 172N

Difficulty date
June 16, 1999
Submitted
July 14, 2000
Operation
General aviation
Aircraft
N7382T
Make and model
Cessna 172N
Aircraft serial
17270372
Engine
Lyc O360A4M
Part
Coil
Part number
M3114C
Condition
Defective
Location
Internal/Open
Part time
1,900 hours
Component
Magneto · Slick
Component part number
4270
Stage of operation
IN
How discovered
V
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

HAVE FOUND FOUR OCCURRENCES OF FAULTY COILS IN SLICK MAGNETOS WITH HOURS FROM 400 - 1,900. SOME COILS ARE OLDER, P/N M3114C. REPLACEMENT P/N, K3975. (X)

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