Rocky Mountain Propellers, Inc.
2865 Airport Drive
Erie, CO 80516
303.665.7905
800.462.7605

e-mail us at rockyprop@rockyprop.com

AD 2009-10-14 Made Easy

Please contact us to help you with getting your replacement bolts.
Use this link to the bulletin to get the warranty claim form
Service Bulletin HC-ASB-61-313 rev 2

Once you remove the spinner you will be looking for the counter weight slug bolts.
In the photo you will see the bolts as they hold the counterweight slug in place.
Bolts with a 7/16 head are not affected.
BOLTS WITH A 9/16 HEAD ARE AFFECTED.
You will also see that the lot number on the bolts in the photo is 233.

Lot number 224 is the bad bolt and needs to be replaced.