41. Hydraulic fluid completely drained away through the rupture.42. Such a system failure would mean Columbia had no hydraulic fluid to move its wing flaps. 43. Subsequently, spilled hydraulic fluid ignited when it came in contact with the overheated landing gear rims. 44. Hydraulic fluid is generally made of mineral oil.45. The valve channels hydraulic fluid to a cylinder that controls a rod that pushes the rudder. 46. At 3 : 26 the flight, code-named Easy 01, limped in leaking fuel and hydraulic fluid . 47. Pilot determined all hydraulic fluid had been lost. 48. It's also used in animal feed, paint thinners, hydraulic fluids and cleaning products, among other things. 49. Fumes from hydraulic fluid stung our eyes, and the noise threatened to blow out human eardrums. 50. Hydraulic fluid , which is a synthetic compound, can be harmful if absorbed through skin or swallowed.
