What was found
INSTALLED TWO NEW 4381 MAGNETOS ON AN ENGINE REBUILD. LEFT MAG ROTATING MAGNET APPEARS TO HAVE FAILED DUE TO FACTORS UNKNOWN. RESULT IS A BENT SHAFT AT THE IMPULSE COUPLING. NO DAMAGE TO DRIVE GEARS NOTED.
- Difficulty date
- December 18, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N94112
- Make and model
- Cessna 152
- Aircraft serial
- 15285600
- Engine
- Lyc O235L2C
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Magneto
- Part number
- 4381
- Condition
- Failed
- Location
- Lt Magneto
- Part time
- 182 hours
- Component
- Slick
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.