As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK TRIP LIGHT, RESET & WENT OUT FOR 30 SECONDS, AND THEN BACK ON. ACFT GROUNDED. OPERATED THE RIGHT AIR CONDITIONING PACK FOR 30 MINUTES, IAW AMM 21-00-00-800-803. PERFORMED PACK/ZONE TEMP CONTROLLERS BITE TESTS - NO FAULTS NOTED, IAW FIM TASK 21-53 #818. NO RIGHT PACK LIGHT COMES ON DURING GROUND OPERATIONAL TESTS.