Is my S07 35 cm getting the well-known Select SL7/RS7 problem?

Friday 01 June 2012

(machine translated in 2018) After a nice piece of boating I exchanged my S07 35 cm for my 33 cm. When removing my 35 cm I saw something white out of the base of the fin. Strangely, it seems almost masking-tape. Why is that between the base? Starts the famous SL7/RS7 problem always so? Does anyone know what this is?