Service difficulty report · Distributor Blk · Piper PA31

Difficulty date
June 5, 2015
Submitted
August 5, 2015
Operation
General aviation
Make and model
Piper PA31
Aircraft time
12,491 hours
Engine
Lyc TIO540A2C
Part
Distributor Blk
Part number
10391586
Condition
Damaged
Location
Magneto
Stage of operation
TX
How discovered
O
Nature of condition
R, J
Precautionary procedure
D

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

What was found

(CAN) DEAD MAG AT RUN-UP. MAGNETO REMOVED, DISASSEMBLED, & INSPECTED. FOUND LATERAL MOVEMENT OF DISTRIBUTOR ROTOR, ROTOR POINT CONTACTING DISTRIBUTOR HOUSING POINTS. THE ROTOR GUIDE, METAL BUSHING IN THE PLASTIC DISTRIBUTOR HOUSING BODY THAT THE DISTRIBUTOR GEAR SHAFT ROTATES IN, WAS LOOSE IN THE DISTRIBUTOR HOUSING BODY, ALLOWING THE LATERAL MOVEMENT. MAGNETO REPLACED.

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