Left Tank Lid Attach Rib, PA-11, PA-18 13 Rib Wing (no Flaps)

Left full rib with tank lid attach

Located on:
* PA-11 set up for 18g. Tank (in the Left Wing ONLY), Rib Position #3

* PA-18 13 rib wing (no Flaps) set up for 18g. Tank, Rib Position #3