Service difficulty report · Magneto · Cessna A185E

Difficulty date
April 11, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Cessna A185E
Aircraft time
3,624 hours
Engine
Cont IO520D
Part
Magneto
Condition
Multiple Fail
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) IMPULSE COUPLING CAM CRACKED AT KEYWAY, FOUND EXCESSIVE ANTISEIZE AND EXCESSIVE RETAINER NUT TORQUE AT FACTORY ASSY, BOTH CAPACITOR O-RING SEALS ROTTED BY OZONE (3-NEW NEEDLE BEARING CAME WITH LIGHT WHITE GRERASE WHICH ON 1ST 100HRS INSPECTIONS IS FOUND SLUNG ONTO BREAKERPOINTS, 4-BOTH HOUSE AND LAMINATIONS HAVE CORROSSION, EVIDENCE OF POOR CORE REBUILD, 5-IMPULSE COUPLING DRIVE LEG HAVE VERY SHARP EARS WHICH MAY SCRATCH SPRINGS ON ASSY, 6-SUSPECT MFG IS DELBERATLY CREATING OBSOLESENCE FAILURES BY THESE METHODS FOR ECONOMIC REASONS.

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