What was found
AIRCRAFT RETURNED TO PLATFORM, THE LT HYDRAULIC HIGH TEMP LIGHT TURNED ON AND DURING TAXI, THE HYDRAULIC QUANTITY VARIATION 17 - 7 QUARTERS. DURING MAINTENANCE CHECK, THE LT HYDRAULIC SYSTEM QUANTITY WAS CHECKED AND DETECTED WITH LOW LEVEL. THE LT HYDRAULIC RESERVOIR WAS RECHARGED IAW MM 12-13-01AND DURING HYDRAULIC LEAK TEST WAS DETECTED MODULES LINE LOOSE. THE MODULES LINE WAS TIGHTEN, TESTED CORRECT.