The foreign authority was the source of this information.
On February 3, 2010,at 1041 UTC, a Thai Airways Boeing 747-400 experienced an oil filter message, high vibration, and fire warning from the No. 1 engine, a General Electric CF6-80CB1F turbofan engine, shortly after takeoff from the Suvarnabhumi International Airport (BKK), Bangkok, Thailand. The flightcrew shutdown the No. 1 engine, discharged both fire extinguishing bottles, and started a return back to the BKK airport. A successful three engine landing was performed with no reported injuries. The flight was scheduled from BKK to Chiang Mai International Airport (CNX), Chiang Mai, Thailand.