Service difficulty report · Magneto · Cirrus SR22

Difficulty date
January 23, 2014
Submitted
January 24, 2014
Operation
Air carrier
Aircraft
N822SG
Make and model
Cirrus SR22
Aircraft serial
1503
Aircraft time
1,509 hours
Engine
Cont IO550N
Engine time
2,450 hours
Propeller
Hartzl PHCJ3YF1
Part
Magneto
Part number
105005561
Part serial
D01FA022
Condition
Damaged
Location
Engine
Stage of operation
TO
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

AFTER TAKEOFF AT PDK THE PILOT REPORTED A SUDDEN POWER LOSS & ROUGHNESS SHORTLY AFTER SWITCHING TO DEPARTURE CONTROL. PILOT ALSO STATED THAT ENG WOULD RUN SMOOTHLY ON THE LT MAGNETO, BUT WOULD QUIT ON THE RT MAGNETO. UPON REMOVING THE RT MAGNETO, TURNING THE IMPULSE COUPLING RESULTED IN NO INTERNAL MOVEMENT INSIDE THE MAGNETO AS EVIDENCED BY LOOKING IN THE PLUG HOLE WHILE TURNING THE IMPULSE COUPLING. ALSO NOTED THAT TEETH WERE MISSING & SOME TEETH BROKEN ON THE PLASTIC GEAR WHICH IS VISIBLE INSIDE MAG THROUGH THE PLUG HOLE.

More about the Cirrus SR22