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Hyd Systems Normal
Total Sys 1 Fluid Loss
Total Sys 2 Fluid Loss
System 3 Hyd Fluid Loss
Catastrophic Failure Aft


Hydraulic Power
Uncontained failure of engine 2 resulting in total loss of hydraulic systems 1 & 2 fluid, and partial loss of
hydraulic system 3 fluid. Enhancement (Sioux City) valve protects system 3 fluid forward of the valve.