What was found
ENROUTE EXPERIENCED A HYD FAILURE ON THE NR 2 ENGINE. FOLLOWED THE GUIDANCE IN THE E & A CHECKLIST INCLUDING MANUAL GEAR EXTENSION. DIVERTED AND LANDING UNEVENTFUL. GEAR PINS INSTALLED UPON LANDING. REF HYD PRESSURE BETWEEN 0-2000 PSI, QTY 0. VERIFIED NR 2 RESERVOIR EMPTY INDICATOR CHECKED NR 2 EDP. NO SIGN OF LEAKS AND TEMP, STRIP INDICATED ALL DARK. FOUND EVIDENCE OF LEAK IN NR 1 WHEEL WELL, UPPER OTBD RETRACT ACTUATOR FLEX HOSE. R & R DEFECTIVE FLEX HOSE IAW AMM 32-31-11-000-802, 400-802. C/W AMM 05-54-00-280-801 FOR INSPECTION OF THE HYD NR 2 EDP AFTER OPERATION WITHOUT SUFFICIENT HYD FLUID. R & R NR 2 EDP IAW AMM 29-11-01-000-801, 400-801. C/W FLUSHING OF THE NR 2 HYD SYS IAW AMM 29-10-00-617-803, SUBTASK 29-10-00-170-136, SIMPLIFIED FLUSHING PROCEDURE. ALL 4, NR 2 HYD SYSTEM FILTERS REPLACED, NO METALLIC PARTICLES FOUND. LEAK CHECK ENGINE RUNS C/W. NO LEAKS NOTED ON ALL REPLACED PARTS. TEMP STRIPS ON EDP AND CASE DRAIN LINE REPLACED. GEAR PINS REMOVED AND STOWED. RETURNED TO SERVICE.