Service difficulty report · Magneto · Piper PA31

Difficulty date
November 2, 2004
Submitted
December 3, 2004
Operation
General aviation
Make and model
Piper PA31
Aircraft time
3,130 hours
Engine
Lyc TIO540A2C
Part
Magneto
Part number
S6LN1208
Part serial
A26568
Condition
Cracked
Location
Engine
Stage of operation
IN
How discovered
9
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

(CAN) MAGNETO WAS REMOVED AT ENGINE REMOVAL. MAG WAS SENT IN BECAUSE THE OIL SLINGER RING WAS NOT IN THE GROOVE. TEAR DOWN RESULTED IN THE FOLLOWING FINDINGS, WIRE ROUTING INCORRECT, LEAD WEARING ON COM SCREW, COIL LEAD NOT POSITIONED CORRECTLY, TUBING MISSING FROM COVER SCREW, EXCESSIVE GREASE LEAKING FROM ROLLER BEARING. IMPROPER GREASE IN BEARING, WRONG WASHERS INSTALLED ON DISTRIBUTOR BLOCK STUDS, DISTRIBUTOR GEAR WASHER WAS WORN ON ID, DISTRIBUTOR BLOCK CRACKED AT ONE OF THE 6 ELECTRODES, VENT SCREEN W AS PAINTED OVER.

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