What was found
TPA - FLT 2676 - AFTER TAKEOFF AND GEAR RETRACTION FROM TPA, THE LEFT MAIN LANDING GEAR UNSAFE LIGHT ILLUMINATED. CREW FOLLOWED QUICK REF HANDBOOK PROCEDURES AND SAFE GEAR INDICATIONS WERE RECEIVED. HOWEVER, CREW NOTICED THAT HYDRAULIC PRESSURE HAD DECREASED. DECISION WAS MADE TO RETURN TO FIELD AT TPA. FLIGHT LANDED WITHOUT FURTHER INCIDENT AND HAD TO BE TOWED TO THE GATE DUE TO LOSS OF HYDRAULIC FLUID. MAINTENANCE FOUND A RUPTURED HYDRAULIC LINE IN THE LEFT WING ROOT. REMOVED AND REPLACED HYDRAULIC LINE. SERVICED HYDRAULICS. GEAR OPERATIONAL CHECK GOOD. LEAK CHECK GOOD. (M)