What was found
EN ROUTE DFW-ICT, RECEIVED A LOW LEVEL LIGHT ON THE GREEN HYDRAULIC SYSTEM WITH APPROPRIATE MAP AND C/W LIGHTS. CONSULTED THE POH AND FOLLOWED THE PROCEDURE, CONTACTED MTC CNTL AND DECLARED AN EMERGENCY. RETURNED TO DFW WHERE A ZERO-FLAP LANDING WAS MADE WITHOUT FURTHER INCIDENT. DFW MAINTENANCE FOUND THE LEFT ENGINE HYDRAULIC PUMP PRESSURE LINE CHAFFED. FABRICATED NEW SECTION OF PRESSURE LINE AND PERMASWEGED IN. OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)