- Difficulty date
- February 22, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Part
- Coil
- Part number
- M3525
- Condition
- Cracked
- Location
- Magneto
- Part time
- 400 hours
- Component
- Slick · 4371
- 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.
What was found
CUSTOMER SAID MAG INOPERATIVE. BENCH TEST CONFIRMED. INSPECTION SHOWED CRACKED COIL. COIL RESISTANCES MEET SPECS, BUT MAG DOES NOT SPARK CONSISTENTLY. INSTALLED NEW COIL (PN M3975) AND RE-TESTED. MAG TESTS GOOD. CONDENSER TESTED GOOD. SUSPECT SECONDARY CIRCUIT OUTPUT ARCING TO GROUND INTERNALLY.