As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AT TOP OF DESCENT, GREEN HYDRAULIC RESERVOIR OVER HEAT INDICATION ON ECAM HYDRAULIC PAGE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED AT MYR SAFELY WITHOUT FURTHER INCIDENT. ACCOMPLISHED TSM 29-11-00, FOUND LEFT ENGINE THRUST REVERSER HYDRAULIC CONTROL UNIT DELTA P POPPED, REPLACED FILTER AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 78-31-51-920-001A.