Service difficulty report · Bearing · Piper PA23250

Difficulty date
October 25, 2002
Submitted
December 2, 2002
Operation
General aviation
Make and model
Piper PA23250
Aircraft time
5,247 hours
Engine
Lyc IO540C4B5
Part
Bearing
Part number
67542
Condition
Loose
Location
Left Mag Recess
Stage of operation
IN
How discovered
V
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

(CAN) RT ENGINE, LT MAGNETO. DAMAGE WAS DISCOVERED DURING ACCOMPLISHMENT OF AN UNRELATED AD, REMOVAL OF ALL ACCESSORIES ON THE ACCESSORIES HOUSING WAS REQUIRED, FOR THIS AD. WHEN THE MAGNETO WAS REMOVED THE MAGNETO GEAR RETAINER ( ASSY AND BEARING PULLED OUT OF THE ENGINE TOGETHER WITH THE DRIVE COUPLING. UPON FURTHER INSPECTION IT WAS DISCOVERED THAT THE SHAFT OF THE 'GEAR RETAINER ASSY AND BEARING WERE DAMAGED AND REQUIRED REPLACEMENT. 'GEAR RETAINER ASSY AND BEARING WAS REPLACED WITH NEW. ALSO THE BEARING RECESS WAS INSPECTED AND CHECKED O.K. MAGNETO WAS INSPECTED AND IT WAS FOUND THAT MAGNETO BEARING, SHAFT AND ARMATURE WAS DAMAGED BEYOND REPAIR. MAGNETO WAS ALSO REPLACED WITH SERVICEABLE MAGNETO.

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