What was found
CLIMBING THROUGH 9,000' RECEIVED "RT FWD WINDOW" LIGHT AND INOPERATIVE LIGHT ON, FOLLOWED QRH. LIGHT STAYED ON, RETURNED TO DEPARTURE. ACCOMPLISHED FIM 30-41-00/101, FIG 104, FOUND 1R WINDOW MAIN SENSOR OPEN CIRCUIT. SWAPPED TO SPARE WINDOW SENSOR IAW AMM 30-41-00. OPS CHECKED ON GROUND IAW AMM 30-41-00. OK FOR SERVICE.