What was found
ON TAKEOFF OUT OF PHL, LEFT ENGINE STARTED SURGING RETURNED TO BASE WITH NO PROBLEMS. MAINTENANCE FOUND THE LEFT MAGNETO DEAD. REMOVED AND REPLACED MAGNET, OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON TAKEOFF OUT OF PHL, LEFT ENGINE STARTED SURGING RETURNED TO BASE WITH NO PROBLEMS. MAINTENANCE FOUND THE LEFT MAGNETO DEAD. REMOVED AND REPLACED MAGNET, OPS CHECKS GOOD.