Boeing has begun manufacturing 737 Next Generation aircraft with center wing tanks that feature Honeywell nitrogen generation systems (NGS) and expects to issue service bulletins for retrofits to aircraft in service within six months to satisfy FAA’s recently issued rule. Honeywell and Boeing have been working on the system since 2004 while the FAA went through its rulemaking process following the 1996 loss of TWA Flight 800 to a center fuel tank explosion. A Boeing official said the ...


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