What was found
MAG DROP 400 RPM, BUT SMOOTH. FOUND MAGNETO DRIVE BEARING FAILURE, RETARDING TIMING. BALLS OF BEARING COMING OUT OF BEARING CAGE AND EATING UP THE REAR OF CASE AND THEN AFTER MAKING SPACE AVAILABLE, FELL INTO THE ENGINE TIMING GEARS.
- Difficulty date
- August 1, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N8566L
- Make and model
- Piper PA25235
- Aircraft serial
- 254990
- Engine
- Lyc O540G1A5
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Bearing
- Condition
- Failed
- Location
- Mag Drive
- Stage of operation
- IN
- Nature of condition
- R
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.