Service difficulty report · Cam · Beech 58

Difficulty date
February 7, 2008
Submitted
February 13, 2008
Operation
General aviation
Aircraft
N878JM
Make and model
Beech 58
Aircraft serial
TH2065
Aircraft time
2,141 hours
Engine
Cont IO550C
Engine time
444 hours
Part
Cam
Part number
6310
Part serial
06121306
Condition
Worn
Location
Magneto
Part time
444 hours
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

100 RPM MAGNETO DROP ON PRE-FLIGHT RUN-UP. INSPECTED ALL FOUR MAGNETOS ON BOTH ENGINES. FOUND ALL MAGNETO CAMS WORN. NO LUBRICATION WAS FOUND ON THE CAMS. THESE MAGNETOS HAD 444.0 HRS TIME SINCE NEW, AND HAD COME INSTALLED ON NEW ENGINES. THEY HAD NOT HAD THEIR FIRST 500 HR INSPECTION, SO HAD NEVER BEEN INSPECTED/OPENED SINCE NEW. SLICK 6310 MAGNETOS, SN'S: 06121306, 06121346, 06120367, AND 06121304.

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