Wing Structure – Wingtip Extensions – Cessna Aircraft

CE-10-20 – Cessna 336
CE-10-20 – Cessna 337
CE-10-20 – Cessna 337A
CE-10-20 – Cessna 337B
CE-10-20 – Cessna 337C
CE-10-20 – Cessna 337D
CE-10-20 – Cessna 337E
CE-10-20 – Cessna 337F
CE-10-20 – Cessna 337G
CE-10-20 – Cessna 337H

Link to ce-10-20

update 3/19/2010 here is new service letter published on this by the FAA - original notification was 3/16/2010