Variable bleed valve door assembly and system for gas turbine engines

A turbofan engine comprising:

• a core engine case defining a compressor flow duct;
• a high pressure compressor disposed within the compressor flow duct;
• a low pressure compressor disposed axially upstream of said high pressure compressor;
• a transition duct extending between said high pressure compressor and said low pressure compressor;
• a plurality of circumferentially spaced variable bleed valve assemblies extending circumferentially about said transition duct, each variable bleed valve assembly of said plurality of variable bleed valve assemblies comprising:
• a variable bleed valve door selectively adjustable through a range of intermediate positions between a closed position and an open position, said variable bleed valve door configured to maintain any of the intermediate positions;
• and
• an actuator operatively coupled to said variable bleed valve door, said actuator configured to selectively adjust a position of said variable bleed valve door through the range of intermediate positions between the closed position and the open position, the position of said variable bleed valve door independently adjustable with respect to positions of each other variable bleed valve door of said plurality of variable bleed valve assemblies.