As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - EMERGENCY LANDING - EN ROUTE FROM DFW TO LAS ON DECENT THE GREEN HYDRAULIC SYSTEM FAILED. MAINTENANCE FOUND CHAFED HYDRAULIC RETURN LINE IN LT ENGINE PYLON, REPLACED HYDRAULIC LINE LT PYLON. REPLACED NR 1 ENGINE DRIVEN HYDRAULIC PUMP DUE TO POSSIBLE CAVITATION IAW AMM 29-11-51, PG. 401-412.