What was found
DURING A 600 HOUR INSPECTION, SPECIFICALLY BOMBARDIER CHALLENGER 605 TASK 32-21-01-210-801, THE NOSE STEERING SWIVEL HYDRAULIC LINE INTERFERENCE WAS NOTED. THE LINE WAS INSTALLED BACKWARDS. LINE PN 600-75226-43 CONTAINS A 90 DEGREE PERMASWEDGED FITTING ON ONE END THAT CONNECTS TO THE NOSE WHEEL STEERING SWIVEL LOCATED ON THE TOP OF THE NOSE LANDING GEAR AND A STRAIGHT FITTING ON THE OTHER END THAT CONNECTS TO AN ELBOW ON THE PRESSURE SUPPLY LINE ROUTED THROUGH THE WHEEL WELL. WITH THE LINE INSTALLED INCORRECTLY, A LOAD WAS PLACED ON THE PRESSURE SUPPLY LINE CAUSING INTERFERENCE WITH OTHER PARALLEL ROUTED HYDRAULIC LINES.