As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE EN ROUTE, THE CREW REPORTED LOSS OF THE GREEN HYD SYS. FLIGHT CONTINUED & AN EMER DECLARED PRIOR TO LANDING. LANDING OCCURRED WITHOUT INCIDENT. THE NR 1 ENG GREEN HYD PRESS TRANSDUCER O RING WAS BLOWN OUT. REPLACED O RING IAW AMM 29-32-11-400-001-A. SERVICED HYD SYS TO FULL. OPERATIONAL & LEAK CHECKS WERE GOOD.