As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE DETERMINING C/W TELEDYNE AD 94-01-03R2, FOUND RIGHT MAGNETO TO HAVE AN UNAIRWORTHY COIL. UPON REMOVAL, COIL WAS FOUND CRACKED IN TWO PLACES ORIGINATING FROM THE CORE ON THE GROUND LEAD END. LOG ENTRY OF 2-20-88 INDICATES THIS MAGNETO COIL WAS CHANGED TO THE 'NEW STYLE', BUT DID NOT GIVE A PART NUMBER.