Service difficulty report · Stop Pin

Difficulty date
September 21, 2018
Submitted
September 21, 2018
Operation
General aviation
Aircraft
N522ND
Engine
Lyc IO360L2A
Engine time
8,330 hours
Part
Stop Pin
Condition
Loose
Location
Magneto
Part time
830 hours
Component
Magneto · Champion
Component part number
4371
Stage of operation
IN
How discovered
V
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

THE IMPULSE COUPLING STOP PIN HAS MIGRATED LOOSE AND IS RUBBING ON THE IMPULSE COUPLING. THIS IS THE 5TH ONE WE HAVE SEEN THIS YEAR AND COULD POTENTIALLY CAUSE A COMPLETE ENGINE FAILURE IF THE PIN COMES THE REST OF THE WAY OUT.