Service difficulty report · Bearing · Piper PA32300

Difficulty date
July 9, 2011
Submitted
August 5, 2011
Operation
General aviation
Aircraft
N5216S
Make and model
Piper PA32300
Aircraft serial
3240910
Part
Bearing
Condition
Failed
Location
Magneto
Component
Magneto
Component part number
BL3493101
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

PILOT REPORTED RT MAGNETO FAILURE. INSPECTED FOR SECURITY OF ATTACHMENT AND CORRECT TIMING TO ENGINE. REMOVED RT MAGNETO AND DISASSEMBLED. UPON INSPECTION, BRASS (OR BRASS LOOKING) METAL SHAVINGS INTERNALLY UNDER DISTRIBUTOR CAP AND NEAR GEAR. DISTRIBUTOR GEAR WAS LOOSE IN THE BEARING. SO LOOSE THAT IT WALLOWED THE BEARING AND CONTACTED THE IGNITION STUDS (4 OF 6) AND HAD WORN THEM DOWN EXCESSIVELY. THIS CAUSED THE CAPS TO BE EXCESSIVE AND THE MAGNETO TO FAIL TO PRODUCE SPARK. INFORMED THAT ONLY 60 HRS AND 11 MONTHS OF SERVICE WERE ON THE MAGNETO. THE MAGNETO IS A REMANUFACTURED MAGNETO. NO OTHER DAMAGES WERE KNOWN. THE OWNER DEMANDED TO KEEP THE PART FOR WARRANTY CONSIDERATIONS. A REPLACEMENT WAS FORWARDED, INSTALLED AND OPERATIONALLY TESTED WITHOUT DEFECTS.

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