What was found
(CAN) DURING RUN-UP, ENG WOULD NOT RUN ON LT MAGNETO. MAGNETO REMOVED FROM ACFT. O/H MAGNETO INSTALLED ON ACFT AND GROUD RUNS CHECKED SERVICEABLE. FAULTY MAGNETO SENT FOR REPAIRS. CAUSE OF DEFECT UNKNOWN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING RUN-UP, ENG WOULD NOT RUN ON LT MAGNETO. MAGNETO REMOVED FROM ACFT. O/H MAGNETO INSTALLED ON ACFT AND GROUD RUNS CHECKED SERVICEABLE. FAULTY MAGNETO SENT FOR REPAIRS. CAUSE OF DEFECT UNKNOWN.