What was found
IMPULSE COUPLING FOUND TO BE CRACKED AT FLYWEIGHT AXLE LOCATIONS OF BASE PLATE. DEFECT WAS DISCOVERED USING MAGNETIC PARTICLE INSPECTION OF PART DURING PERFORMANCE OF MANUFACTURERS RECOMMENDED -500 HOUR INSPECTION. IMPULSE REPLACED.
- Difficulty date
- January 27, 2015
- Submitted
- February 5, 2015
- Operation
- General aviation
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Impulse Coupling
- Part number
- M3163
- Condition
- Cracked
- Location
- Magneto
- Part time
- 1,000 hours
- Component
- Magneto · Slick · 4371
- Component part number
- 4371
- Stage of operation
- IN
- How discovered
- M
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.