Service difficulty report · Impulse Coupling · Gulstm GA7

Difficulty date
September 25, 2026
Submitted
September 25, 2026
Operation
General aviation
Aircraft
N797GA
Make and model
Gulstm GA7
Aircraft serial
GA70087
Engine
Lyc O320D1D
Part
Impulse Coupling
Part number
3163
Condition
Destroyed
Location
Magneto
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

LOOSE RIVETS ON IMPULSE COUPLING THAT HOLD THE PAWLS ONTO THE PLATE. SMALL CONTACT DAMAGE TO UNDERSIDE OF MAGNETO FACE BY PAWLS DUE TO LOOSE RIVETS.