What was found
CABIN TEMP HIGH, 90F. BETWEEN ROWS 17 - 27, DURING CRUISE, CONDITION DISPLAYED. FWD 72/72, AFT 70/88 COCKPIT 76/92. FOUND THE TEMP SENSOR DIRTY. CLEANED THE TEMP SENSOR IAW 21-63-00. OPS CHECKED AND PERFORM CABIN TEMP SYSTEM IAW AMM 21-61-00.