As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED, PACK NR 2 UNABLE TO MAINTAIN CABIN TEMPERATURE IN FLIGHT AND ON THE GROUND. TROUBLESHOT AND FOUND SLEEVE AND SEALS DISLODGED ON NR 2 ACM. REPLACED SEALS AND REINSTALLED SLEEVE IAW AMM 21-52-21. NR 2 PACK LEAKS CHECK GOOD IAW AMM 21-52-00.