As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 2 FAIL LEVEL 2 ALERT APPROXIMATELY 5:45 INTO FLIGHT. HYDRAULIC SYSTEM 2 QUANTITY DECREASED RAPIDLY TO ZERO. QRH PROCEDURE COMPLETED ***EMERGENCY DECLARED*** FOUND LEAK COMING FROM LINE FROM #2 ENGINE HYD MANIFOLD "PRESS IN LWR PUMP" REPLACED LINE P/N AE708163-3 IAW AMM 29-12-40-2. #2 ENGINE ENGINE RUN ACCOMPLISHED PER JRH. NO LEAKS NOTED, EDP'S OPERATED NORMAL . #2 ENGINE COWLS CLOSED IAW AMM 71-10-00-410-802.