As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#333, BOS-SFO. (AIRCRAFT DIVERTED TO JFK) 'AIR 1 PACK REGUL FAULT- UNABLE TO REGULATE TEMP IN PLANE; REMOVED AND REPLACED ACSC ( 47HH) IAW AMM 21-61-34-400-002-A PERFORMED OPS CHECK OF PACK TEMP CONTROL SYS IAW AMM 21-61-00-710-001-A, NO FAULTS/ MSGS DISPLAY ON ECAM A/C OK FOR CONT SVC.'