Service Bulletin No. 668

Publications
DATE RELEASED:

May 18, 2026

SUBJECT:

Starter Wire Contact with Fuel Servo

MODELS AFFECTED:

IO-390-C3B6 with 61P31530 (Airflow Performance) Fuel Injection Servo and 31B26554 (Skytech 149NL-EC) Starter installed.

TIME OF COMPLIANCE:

The Next 50-hour inspection or when the cowling is removed.