Service difficulty report · Impulse Coupling

Difficulty date
December 1, 2022
Submitted
December 7, 2022
Operation
General aviation
Aircraft
N861P
Engine
Lyc O360A4M
Engine time
1,084 hours
Part
Impulse Coupling
Part number
M3163
Condition
Loose
Location
Magneto
Part time
788 hours
Component
Magneto · Champion
Component part number
4371
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

DURING 500HR MAGNETO INSPECTION FOUND MAG 4371, S.N. 21080836 IMPULSE COUPLING RIVETS LOOSE. REPLACED IMPULSE COUPLING WITH NEW.