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CS 25J991 Fuel Pumps
Available versions for ERULES-1963177438-9565
ED Decision 2008/006/R
found in: CS-25 Amdt 27 - Large Aeroplanes (Jan 2023)
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CS-25 Amdt 27 - La... (Jan 2023)
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CS 25J991 Fuel Pumps ED Decision 2008/006/R (See [AMC 25J991](#_DxCrossRefBm1709821898)) For essential APUs: (a) Main pumps. Each fuel pump required for proper essential APU operation, or required to meet the fuel system requirements of this subpart (other than those in sub-paragraph (b) of this paragraph), is a main pump. For each main pump, provision must be made to allow the bypass of each positive displacement fuel injection pump other than a fuel pump approved as part of the APU. (b) Emergency pumps. There must be emergency pumps or another main pump to feed an essential APU immediately after failure of any main pump (other than a fuel pump approved as part of the APU). [Amdt 25/1] [Amdt 25/5]