Service difficulty report · Magneto · Cessna 172S

Difficulty date
September 25, 2008
Submitted
November 4, 2008
Operation
General aviation
Aircraft
N452SM
Make and model
Cessna 172S
Aircraft serial
172S10528
Engine
Lyc IO360L2A
Part
Magneto
Part number
4371
Part serial
08081011
Condition
Contaminated
Location
Engine
Part time
5 hours
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING INSPECTION FOR SB 03-08 THE FIRST 5 HOUR INSPECTION FOUND OIL ON THE COIL TAB ON BOTH MAGNETOS AND CAM WEARING ON BOTH MAGNETOS FOR THE AMOUNT HOURS ON MAGNETOS. ALSO, FOUND EXCESSIVE AMOUNT OF OIL INSIDE DISTRIBUTOR FOR THE AMOUNT OF HOURS ON MAGNETOS. THIS IS CAUSING THE CARBON DUST TO COLLECT AND BUILDUP INSIDE MAGNETOS. (K)

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