Paine Field August 5

WH001 777-9 N779XW begins a taxi test on 16R, they exited the runway at Alpha 5 

and returned to the stall.

N779XW, N779XY, and N779XZ.

The reason for the truncated taxi test was revealed in this Paine Field tweet, the runway surface is producing a lot of FOD (again.) WH001 is scheduled for another taxi test on August 6.

Juneyao Airlines 787-9 line 895 N1009N B1 flight.

Air Tahiti Nui 787-9 F-OTOA customer flight.

ANA 787-9 JA923A.