What was found
LEFT PACK LIGHT ILLUMINATED DURING RECALL, LIGHT WENT OUT WHEN MASTER CAUTION RESET PUSHED. ACFT GROUNDED. ACCOMPLISHED BITE ON THE NR 2 PACK ZONE TEMP CONTROLLER & RECEIVED FAULT ON EXIT LIGHT. REMOVED AND REPLACED THE LT RAM AIR INLET ACTUATOR IAW AMM 21-51-21. ACCOMPLISHED BITE ON PZTC AND RECEIVED FAULT FOR RAM AIR CONTROL TEMP SENSOR. REMOVED AND REPLACED TH E LT RAM AIR TEMP SENSOR IAW AMM 21-51-50-400-801. BITE TESTED GOOD.