What was found
ZONE TEMP LIGHT (CAB CONT) ON RECALL. RESETS WHEN PUSH MC LIGHT. GROUNDED - YES. REF B737-900 FIM 21-62 TASK 801, PZTC #1 BITE TEST FOUND RAM AIR ACT FAULT, RESET PZTC #1 FAULT NOT ACTIVE, PZTC #2 BITE TEST FAULTED RAM AIR ACT AND UNABLE TO RESET THE FAULT, PER FIM 21-60 TASK 836 RAM AIR ACT REQUIRES TO BE REMOVED. REMOVED AND REPLACED RH RAM AIR ACTUATOR, ADJUSTMENT AND ACTUATOR TEST GOOD REF B737-900 AMM 21-51-21. BITE TEST BOTH PZTC #1 & #2 NO FAULTS NOTED FIM 21-62 TASK 801, OPS TEST BOTH PACKS TO FULL COOL & FULL WARM AMM 21-00-00, NO ACTIVE FAULTS PRESENT ON MASTER RECALL TEST, GROUND VERIFICATION CHECK NORMAL.