What was found
LEFT MAG INOP ON RUN-UP. REMOVED MAGNETO AND DISASSEMBLED. ELECTRICALLY CHECKED COIL AND FOUND OPEN CIRCUIT. REPLACED COIL WITH SERVICEABLE COIL AND OPS CHECK OK. DATE CODE ON FAILED COIL: 9/16/91.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT MAG INOP ON RUN-UP. REMOVED MAGNETO AND DISASSEMBLED. ELECTRICALLY CHECKED COIL AND FOUND OPEN CIRCUIT. REPLACED COIL WITH SERVICEABLE COIL AND OPS CHECK OK. DATE CODE ON FAILED COIL: 9/16/91.