Service difficulty report · Magneto · Piper PA28181

Difficulty date
July 7, 2022
Submitted
July 28, 2022
Operation
General aviation
Aircraft
N821PA
Make and model
Piper PA28181
Aircraft serial
2881248
Aircraft time
3,332 hours
Part
Magneto
Part number
4347
Part serial
21090566
Condition
Intermittent
Location
Engine
Part time
136 hours
Stage of operation
IN
How discovered
O
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

AC WAS EXPERIANCING HIGH OIL TEMPS, DURING TROUBLESHOOTING, DISCOVERED INTERMITTANT ROUGH ENGINE, DETERMINED TO BE A MAGNETO ISSUE, REMOVED AND REPLACED MAGNETO, NO FUTHER ISSUES, ENGINE HAD 136.4 TTSOH MAGNETO WAS NEW WITH 136.4 TIS. TESTED MAGNETO ON TEST BENCH, SHOWED INTERMITANT OPERATIONS, DISASSEMBLED MAGNETO, FOUND SIGNS OF ROTATING MAGNET CONTACTING MAGNETO HOUSING, FOUND METAL DEBRIS INSIDE MAGNETO, FOUND FRONT BEARING WORN.

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