WH003 777-9 N779XY departed Boeing Field on an FAA TIA1 inspection / airspeed calibration flight test.  Next flight test with the FAA scheduled for July 17, another airspeed calibration test.

WH001 N779XW is at Boeing Field for fuel tank rework, scheduled for a ferry flight to Paine Field July 19.
WH002 N779XX is at PHKO for nacelle cooling testing with the RBS modifications, returns to Everett July 21.
WH004 N779XZ is at Paine Field, GE working on the single engine recently installed S/N 610121. 
Also there was a Starlink signal strength test July 12.

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