As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#221, BOS-PBI. (AIRCRAFT DECLARED AN EMERGENCY) 'HYD GREEN SYSTEM LOW-PRESSURE ECAM AFTER TAKEOFF; REMOVED AND REPLACED GREEN HYD SYS PRESSURE SWITCH TRANSDUCER IAW AMM 29-32-12. LEAK AND OPS CHECK OKAY AT THIS TIME. A/C OKAY TO CONTINUE SERVICE.'