Service difficulty report · Electrode · Cessna U206G

Difficulty date
October 30, 2009
Submitted
December 1, 2009
Operation
General aviation
Make and model
Cessna U206G
Aircraft time
6,355 hours
Engine
Cont IO520F
Propeller
Hartzl PHCJ3YF1
Part
Electrode
Part number
AB357586
Condition
Loose
Location
Distributor Gear
Component
Magneto
Component part number
105005561
Stage of operation
NR
How discovered
9
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

(CAN) MAG WAS RECEIVED BECAUSE IT WAS U/S. WHEN INSPECTED THE ELECTRODE OF THE DISTRIBUTOR GEAR HAD WORKED ITS WAY LOOSE FROM THE SHAFT AND EGGED THE HOLE IN THE ELECTRODE. THIS CAUSED THE ELECTRODE TO CONTACT ALL 6 OF THE DISTRIBUTOR BLOCK ELECTRODES AND WEAR THEM TO APPROX .020" THICK. GEAR WAS MFG AND HAD A DATE CODE ENGRAVED INTO THE WASHER OF 4-24-95. THE GEAR AND BLOCK WERE REPLACED AND THE MAG WAS OVERHAULED AND RETURNED TO THE CUSTOMER.

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