From the developer FSXcenery this airport: “Tri-Cities Pasco Airport (KPSC). It’s your full-service airport serving Northeast Tennessee, Southwest Virginia, Western North Carolina, and Eastern Kentucky.

Suitable for MSFS2020 and MSFS2024. With a link to the Airnav data of this airport.

Tri-Cities Airport (IATA: PSC, ICAO: KPSC, FAA LID: PSC) (originally Pasco Airport) is a public airport in Pasco, Washington, United States. It is two miles (3 km) northwest of downtown Pasco and serves the Tri-Cities metropolitan area in southeast Washington. 

This scenery need to be placed in your main COMMUNITY folder, in your main MSFS installation.

And its available via simMarket.