PRELIMINARY REPORT ON SERIOUS INCIDENT INVOLVING AIRBUS A330- 223 AIRCRAFT BELONGING TO DELTA AIR LINES INC. WITH REGISTRATION N858NW WHICH OCCURRED AFTER TAKE-OFF FROM MURTALA MUHAMMED INTL. AIRPORT, LAGOS ON 13TH FEBRUARY, 2018

On 13th February 2018 at about 2251hrs, a schedule flight DAL55, an Airbus A330-223 aircraft with registration N858NW belonging to Delta Air Lines Inc. on an Instrument Flight Rules (IFR) flight plan, departed Lagos, Nigeria, for Atlanta, United States of America with 221 passengers and 13 crew on board.

At about 2252hrs,when the aircraft was climbing out of 1700ft Above Mean Sea Level (AMSL), #1 engine Fire warning came ON. Few seconds after, the crew declared

All times in this report are local time (UTC +1) unless otherwise stated

emergency and requested for immediate air return which was approved by the ATC. The aircraft landed at about 2259hrs and stopped on runway 18R.