What was found
AFTER ENGINE START, MASTER CAUTION RECALL CHECK ILLUMINATED MASTER CAUTION LIGHT, AIR COND LIGHT AND RT PACK LIGHT. PUSHING MASTER CAUTION LIGHT RESET ALL THREE LIGHTS OFF. ACFT GROUNDED. CONTROLLER LOGGED & BITE CHECK FAILS RAM AIR ACTUATOR. NOTICED DURING BITE TEST THAT RAM AIR DEFLECTOR DOOR DOES NOT FULLY EXTEND TO THE OVER-CENTERED AND LOCKED POSITION, NOR DOES IT FAIR FLUSH WHEN IN THE AIR MODE. REPLACED LT RAM AIR DOOR LINKAGE ARM ASSY REF MM 21-51-21. RAM AIR DOOR INLET ACTUATOR REPLACED REF MM TASKS 21-51-21-000-801 & 21-51-21-400-801. PACK/ZONE TEMP CONTROLLER BITE TEST TASK 21-61-00-700-806-002. NO DEFECTS NOTED.