Service difficulty report · Shaft · Amtr RV7

Difficulty date
January 28, 2011
Submitted
January 28, 2011
Operation
General aviation
Aircraft
N705CM
Make and model
Amtr RV7
Aircraft time
99 hours
Engine
Cont IO360*
Engine time
99 hours
Part
Shaft
Condition
Failed
Location
Magneto
Part time
99 hours
Component
Magneto
Component part number
4755
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
B, A

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

What was found

MAG SHAFT COMPLETELY SEPARATED FROM THE MAG AS THE SHAFT EXITED THE MAG. CAUSING INOPERATIVE SYS, LOSS OF 1/2 ENGINE IGNITION AND ASSOCIATED WARNING LIGHTS IN THE COCKPIT.