AAIB: Restriction to the fuel flow appears to have caused the uncommanded power reduction that led a British Airways Boeing 777-200 to crash-land at Heathrow

Restriction to the fuel flow between the fuel tanks and the engine fuel pumps appears to have caused the uncommanded power reduction that led a British Airways Boeing 777-200 to crash-land 300m short of the runway at London Heathrow airport on 17 January, according to a just-released Air Accident Investigation Branch interim statement.

But the AAIB makes it clear it has, so far, found no evidence of a physical obstruction in the fuel lines, although there are signs that the fuel pressure at the inlet to the engine high pressure (HP) fuel pumps had dropped because the pumps showed signs of “unus

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