What was found
(CAN) DURING APPROACH, FLIGHT CREW NOTICED NR 2 SYS HYDRAULIC FLUID LEVEL DROPPING. NR 2 HYD ISOLATION VALVE CLOSED & ACFT LANDED WITHOUT ISSUE. ABNORMAL STOP ON RUNWAY AND NR 2 ENGINE SHUTDOWN, "T" HANDLE PULLED. 10 PERCENT HYDR FLUID STILL REMAINING IN NR 2 RESERVOIR. ACFT TOWED TO GATE. ON GROUND TROUBLESHOOTING FOUND NR 2 RETRACT ACTUATOR DOWN LINE PN 46455-117 FLEX LINE RUPTURED AT UPPER END NEAR SWAGE FITTING. ACFT CONFIGURATION IS POST MODSUM 4-113491.