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Thread: What is this "dial/knob" on BA 747's adjacent to the lights?
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Old Aug 14, 2019, 8:16 pm
  #5  
aceman
 
Join Date: Apr 2006
Location: London
Programs: BA bronze, Hertz pres circle, Marriott Platinum, hilton diamond
Posts: 2,537
Right I better stop poking and playing with it EVERY time I see one, in the vague hope that it’s an air vent....
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