Service difficulty report · Magneto · Piper PA31350

Difficulty date
May 1, 2012
Submitted
May 11, 2012
Operation
Air carrier
Aircraft
N4078B
Make and model
Piper PA31350
Aircraft serial
318152055
Aircraft time
18,152 hours, 19,211 cycles
Engine
Lyc TIO540*
Part
Magneto
Part number
1034929017
Part serial
F09HA293R
Condition
Failed
Location
Rt Engine
Part time
614 hours, 614 cycles
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

PILOT REPORTED THAT "RIGHT ENGINE RUNNING ROUGH ON CLIMBOUT AT 4000 FT LOSS OF 200 RPM. RIGHT ENGINE FAILED MAGNETO CHECK AFTER LANDING. MAINTENANCE FOUND RIGHT ENGINE LEFT MAGNETO INTERNALLY FAILED, AND REPLACED THE MAGNETO.

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