Boeing 737800 Technical Manual Top [cracked] -

: Prevents ice accumulation on the leading edges.

Both operate at a nominal pressure of 3,000 PSI. System A is primarily pressurized by Engine 1 and an electric motor pump. System B uses Engine 2 and another electric pump. boeing 737800 technical manual top

Converted via Transformer Rectifier Units (TRUs) to 28V for avionics. : Prevents ice accumulation on the leading edges

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