What was found
DECLARED AN EMERGENCY AND ACFT DIVERTED DUE TO NR 2 HYD LOW QTY IN FLIGHT. AT 22 PERCENT DROPPED DOWN TO 6 PERCENT DOWN WITH A 2 PERCENT DROP EACH 6 TO 10 MINUTES. LANDED WITH 6 PERCENT AFTER LANDING PRESSURE WENT TO 8 PERCENT THEN 10 PERCENT AT GATE. ALL FLIGHT HYD SYS WORKED NORMAL FOR HYD SYS 2. AFTER INVESTIGATION FOUND NR 2 ENGINE DRIVEN PUMP PRESSURE LINE & CASE DRAIN PUMP LINE LEAKING AT UPPER FLARE. R & R BOTH LINES, HOSES, IAW AMM 29-11-01 & 20-10-03. LEAK CHECK OK. HYD FLUID CHECK NORMAL.