Service Bulletin No. 670
E-MAG Spark Plug Adapter Inspection, Hartzell Engine Tech (HET) Alert Service Bulletin No.232
Publications
DATE:
August 5, 2026
SUBJECT:
E-MAG Spark Plug Adapter Inspection, Hartzell Engine Tech (HET) Alert Service Bulletin No.232
MODELS AFFECTED:
All experimental Lycoming Engines using E-MAG ignition systems shipped before June 1, 2026
TIME OF COMPLIANCE:
Before next flight