Boeing and CFM International are scrutinizing fuel supplies and the Honeywell-built fuel-control system in the CFM56-7B following a series of thrust-instability events on Boeing 737NG aircraft. Their findings could have broader implications for the Jet A supply chain and fuel-testing regimen if contamination is behind the incidents. “We’re doing a root-cause analysis, looking at the fuel-control unit and the entire fuel supply chain,” says Boeing. “The problem might be fuel-based.” ...


You must be a paid subscriber to access "Contamination Of Fuel Is Primary Suspect In 737NG Thrust Instability Incidents".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.