What was found
MAGNETO FAILED IN-FLIGHT. TROUBLESHOOTING REVEALED DISTRIBUTOR GEAR NOT TURNING. PAPER SHIM NEXT TO COIL HAD MIGRATED TOWARD GEAR AND CAUSED CATASTROPHIC FAILURE OF GEAR TEETH. ENGINE AND MAGS 50 HOURS SINCE OVERHAUL.
- Difficulty date
- July 10, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N39799
- Make and model
- Conaer LA4200
- Aircraft serial
- 363
- Engine
- Lyc IO360A1A
- System (JASC)
- 7414 · Magneto/Distributor
- Part
- Magneto
- Part number
- S4LN1209
- Condition
- Failed
- Location
- Engine
- Part time
- 50 hours
- Component
- Electrosys
- Stage of operation
- NR
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.