Airworthiness Directive · AC Spark Plug Appliances
AC Spark Plug Appliances
This AD applies to AC Spark Plug LA-87 Spark Plugs.
The models as the FAA's AD index lists them. The serial ranges, installed parts and exceptions are in the AD itself: read it at the FAA.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Appliances and equipment
