As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1230, CUN-EWR. (AIRCRAFT DECLARED AN EMERGENCY INTO EWR) 'HYD G LO LVL CAUTION LIGHT ON- NO GREEN PRESSURE OR QTY; FOUND GREEN HYD PRIORITY VALVE LEAKING HEAVILY. REMOVED AND REPLACED GREEN PRIORITY VALVE IAW AMM 29-11-33. OPS CK AND LEAK CK OK. A/C OK FOR CONTINUE SVC.'