On Sept. 30, Piper released Service Spares Letter No. 503 announcing the availability of a kit that adds an inspection/access panel to the lower wing skin on both sides of affected aircraft. When installed, the panels permit easier access to the fuel tank sending units. Piper part number 88666-701, Kit – Lower Wing Skin Inspection Panel provides the parts and instructions to install access panels. Each kit includes the parts for two panel installations. The kits are available from Piper Approved Service Centers.