As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ON RECALL-MASTER CAUTION RESET. ACFT GROUNDED. FOUND LT RAM AIR INLET DOOR NOT CYCLING DURING BITE. REF MM 21-01-00. R & R LT SIDE RAM DOOR ACTUATOR REF MM 21-51-21-400-801. C/B ON P6-4 A4 AND A8 OPEN AND TAG FOR MAINTENANCE PERFORMED PACK/NONE TEMP CONTROLLER BITE. FUNCTION NORMAL REF 21-61-0-700-806-002, RAN BOTH PACK NORMAL.