As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH RAM AIR DOOR ACTUATOR IS SEIZED. GROUNDED - YES. REMOVED AND REPLACED RH RAM AIR DOOR ACTUATOR IAW B737-800 AMM 21-51-21-000-801 AND AMM 21-51-21-400-801. ETOPS GROUND VERIFICATION CHECK GOOD IAW AMM 21-61-00-700-806-002. BOTH PACK/ZONE SYSTEMS FUNCTIONING PROPERLY AFTER RH RAM DOOR ACTUATOR CHANGE.