Video of the report has spread widely across the Internet since it was broadcast.
The National Transportation Safety Board has also apologized, saying a summer intern erroneously confirmed the names of the flight crew.
Asiana has decided to sue KTVU-TV to "strongly respond to its racially discriminatory report" that disparaged Asians, Asiana spokeswoman Lee Hyomin said. She said the airline will likely file suit in U.S. courts.
She said the report seriously damaged Asiana's reputation. Asiana decided not to sue the NTSB because it said it was the TV station report, not the U.S. federal agency that damaged the airline's reputation. Lee did not elaborate.
Tom Raponi, KTVU Vice President & General Manager, said in a statement that KTVU would not be making any further comment because of the airline's threat of a lawsuit.
Neither the station nor the NTSB has said where the names originated.
The four pilots, who underwent questioning by a U.S. and South Korean joint investigation team while in the United States, returned to South Korea on Saturday. South Korean officials plan to conduct separate interviews with them, South Korea's Ministry of Land, Infrastructure and Transport said.
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