As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"TRANSFERRED FROM AML PAGE 4473404 ITEM 2" PACK 1 OVRLD ON TAKEOFF AND CLIMB, RESET AND FAILED AGAIN. C/A- REMOVED AND REPLACED #1 PACK VALVE IAW AMM 21-51-01 AND PACK #1 OPC GOOD IAW AMM 21-51-00 & 21-60-00 WITH NO PACK 1 OVERLOAD MESSAGE NOTED OR ANY OTHER FAULT.