This is a Sources Sought notice for market research to identify suppliers capable of upgrading the rain erosion tape for the Leading-Edge Flap, requiring an aerospace-grade polyurethane elastomer tape meeting specific tensile strength, elongation, peel adhesion, and temperature tolerance standards. The anticipated period of performance is 12 months, and the government expects to award a Cost-Plus Fixed Fee contract. No budget amount is specified, and the location for performance is not stated. Responses must demonstrate relevant past experience and technical capabilities. Interested parties should submit a capabilities statement as instructed.