As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED INFLIGHT, WOULD NOT COOL DOWN. SHUTOFF PACK IAW QRH PROCEDURES. ACFT GROUNDED. CONFIRMED FAULT, RT PACK-ZONE TEMP CONTROLLER BITE TEST SHOWS HARD FAIL FOR THE RT RAM AIR ACTUATOR, WOULD NOT RESET. LT PACK-ZONE TEMP CONTROLLER SHOWS NO FAULTS. REMOVED & REPLACED THE RT RAM AIR ACTUATOR IAW AMM 21-51-21, GROUND FUNCTIONAL CHECK NORMAL IAW AMM 21-61-00-700-806-002.