Service difficulty report · Impulse Coupling

Difficulty date
January 26, 2023
Submitted
January 30, 2023
Operation
General aviation
Aircraft
N254AT
Engine
Lyc O360A1H6
Engine time
956 hours
Part
Impulse Coupling
Part number
M3529
Condition
Defective
Location
Magneto
Part time
956 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

LEFT ENGINE LEFT MAGNETO MODEL 4373 S.N. 19071205, FOUND IMPULSE COUPLING RIVETS LOOSE. REPLACED IMPULSE COUPLING