Service difficulty report · Rivet · Piper PA28181

Difficulty date
October 13, 2022
Submitted
October 13, 2022
Operation
General aviation
Aircraft
N259CB
Make and model
Piper PA28181
Aircraft serial
2881004
Engine
Lyc IO360B4A
Part
Rivet
Part number
4373
Part serial
17060084
Condition
Worn
Location
Magneto Pawl
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

RIGHT MAGNETO REJECTED AS PAWL RIVETS WERE EXTREMELY WORN. THE PAWL RIVETS CONTINUALLY STRUCK THE HOUSING OF THE MAGNETO, SHAVING OFF METAL, AND CONTAMINATING THE ENGINE WITH NON-FERROUS METAL. RECOMMEND TO INSPECT THE METOLOGY OF THE RIVETS FOR CORRECT TEMPER, WHICH IF NOT FOUND, THE PAWLS COULD COME APART AND POSSIBLY CAUSE LOSS OF ENGINE POWER.

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