What was found
PILOT REPORTED SMOOTH 200 RPM DROP ON LT MAGNETO DURING RUN UP. TROUBLESHOOTING FOUND LT MAGNETO TIMING 7 DEGREES RETARDED. MAGNETO WAS REMOVED AND IMPULSE COUPLING FOUND TO HAVE A BROKEN SPRING. COUPLING WAS REPLACED WITH A NEW UNIT.
- Difficulty date
- July 14, 2002
- Submitted
- July 25, 2002
- Operation
- General aviation
- Aircraft
- N1859A
- Make and model
- Beech A36
- Aircraft serial
- E1929
- Engine
- Cont IO520BB
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Spring
- Condition
- Broken
- Location
- Impulse Couplin
- Part time
- 1,958 hours
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.