Attached please find a copy of the Flint Aero, Inc. Service Bulletin FA2, Rev 1 which deals with the mandatory wing reinforcement of those Cessna 337s modified with Flint Aero Auxiliary Wing Tip Fuel tanks (STC SA5090NM). This Service Bulletin as well as the forthcoming Airworthiness Directive only applies to those 337s that
do not have the 150.6 gallon factory main tanks.
This Service Bulletin is being mailed via USPS to all customers whose aircraft could be located on the FAA.gov website.
If you have any questions please feel free to call me at 619-448-1551 or email me at
dennis@flintaero.com.
Sincerely,
Dennis Hamblin
President, Flint Aero, Inc