What was found
RIGHT PACK LIGHT ON RECALL GOES OUT WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED R/H PZTC BITE REF B737-800 FIM 21-62 TASK 801 AND HAD R/H RAM AIR ACT FAULT. PERFORMED CABIN TEMPERATURE CONTROL AND INDICATION OPERATIONAL CHECK FOUND GOOD. PACK ZONE TEMPERATURE CONTROLLER BITE CHECK PASSED AND NO FAULT INDICATED DURING 5 MIN BOTH PACK OPERATION REF B737-800 AMM 21-61-00-700-806-002 AND 21-61-00-700-807-002.