As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - EMERGENCY LANDING - 2/10/01 - ON DESCENT INTO SEA THE GREEN HYDRAULIC SYSTEM WENT TO LOW LEVEL. IN SEA THE AIRCRAFT WAS INSPECTED AND NO LEAKS FOUND. THE GREEN SYSTEM HYDRAULIC SYSTEM WAS SERVICED TO FULL AND NO FURTHER PROBLEMS REPORTED. THIS WAS THE FIRST FLIGHT AFTER NR 1 ENGINE CHANGE AND PROBABLY HAD AIR TRAPPED IN THE SYSTEM AFTER THE ENGINE CHANGE.