Chairman Ajit Pai speaks ahead of the vote on the repeal of so called net neutrality rules at the Federal Communications Commission in Washington, U.S., December 14, 2017. REUTERS/Aaron P. Bernstein

WASHINGTON (Reuters) - The Federal Communications Commission has the three votes needed to approve a draft order sending Sinclair Broadcast Group Inc's SBGI.O proposed $3.9 billion acquisition of Tribune Media Co TRCO.N to an administrative hearing, an official said on Monday.

FCC Chairman Ajit Pai said on Monday he has “serious concerns” about the planned deal.