The flight crew of the DAN Air MD-11 with registration mark 5N-BKI with 89 passengers that skidded off the runway of the domestic wing of the Murtala Muhammed Airport in Lagos on April 23,2024 had all its flight crew licensed and certified to conduct the flight.

In addition,the aircraft had a valid Certificate of Airworthiness.This was contained in the preliminary report by Nigerian Safety Investigation Bureau(NSIB).

According to the report, the crew selected “DOWN”, the Main Landing Gear Indication Lights were GREEN, while the Nose Landing Gear (NLG) Indication Light was RED.

The crew stated recycling the Gear selection UP and then DOWN, but the NLG remained RED until touchdown.

NSIB indicated in the report that the crew consulted the QRH and proceeded with the EMERGENCY GEAR EXTENSION checklist, but the RED Indication Light remained.

“ The crew stated that they did a LOW PASS over the station during the Go-Around and requested ATC to check if the Nose Landing Gear was extended. ATC responded, “It appears to be down.”

It said that upon landing, the Ground Spoilers did not deploy automatically, according to the crew.

“During the Landing Roll, the crew stated that there was severe vibration accompanied by a loud noise coming from the Nose Landing Gear area, which remained extended until 80 kts before it collapsed. “

The report explained that Captain commanded evacuation, using the Forward Service Door due to safety concerns from the Main Entry Door side. As the cabin crew opened the Forward Service Door, the Escape Slide deployed automatically, and the occupants evacuated safely without any injury.”

NSIB further explained in the initial report that”This preliminary report provides details of initial facts, discussions, and findings surrounding the occurrence.”

It also includes information gathered from witness accounts/statements, flight recorders, Air Traffic Control (ATC) recordings, weather reports, and preliminary inspection of the aircraft.