The pilots of the damned Lion Air flight that plummeted into Lake Java last October desperately searched the plane's handbook to try and control the plane from the crash, cockpit footage shows.
The first officer reported a "flight control problem" two minutes after the flight, and the captain then asked him to read a manual containing procedures for unusual events, according to a Reuters report.
The Boeing 737 Max 8's plane then had to push its nose down for nine minutes, with the first officer unable to control the plane while the captain desperately searched the manual for a solution to the plane's problems.
Read more: The crashes of Ethiopian Airlines and Lion Air have uncanny similarities ̵
Then the plane crashed into the sea and killed all 189 people on board.
In three sources, the contents of the cockpit recorder of the aircraft was discussed with Reuters was first published that such information, which is part of a running Investigation of the crash are published.
The investigation gained importance after the crash of a Boeing 737 Max 8 by Ethiopian Airlines on March 10, with the death of all 157 on board.
The French Aircraft Accident Investigation (BEA) said the two crashes had "clear similarities" and Boeing is introducing a software update to its anti-stall system for the aircraft model.
Read More: Boeing and the FAA reportedly reported problems with the 737 Max software four days before the plane's second fatal crash.
The preliminary report on the Lion Air crash mentioned the Boeing system as well as other factors, including the maintenance of the airline.
A source told Reuters that someone had mentioned the aircraft's airspeed in the cockpit voice recorder, and a second source indicated that one of the aircraft's displays had a problem displayed on the captain's display, but not the one on the display first officer.
The preliminary report showed that the aircraft's computer was constantly nosing the nose. The aircraft is shut down with the trim system, which normally adjusts the aircraft so that it opens Course remains.
A source told Reuters that the trim system was not mentioned in the shot, just the airspeed and altitude of the aircraft. "They did not seem to know that the disguise was moving down," the source said.
Read more: These 6 problems had the pilots in the months before their second fatal crash with the Boeing 737 Max 8.
A crew that had flown the same evening with the same aircraft, had the same problem aircraft nose, but go through three checklists to solve the problem, the preliminary report showed.
The plane was treated on the ground, and the report said the previous crew thought the problem had been resolved.
Bloomberg reported Tuesday that an out of service pilot in the cockpit of this flight fixes a malfunction that allowed the aircraft land safely.
Following the crash of the Ethiopian Airlines, many countries have discontinued the 737 Max, including China, where the number of aircraft is higher than in other countries. The US was the youngest country to bring the plane to the ground.
Boeing declined to comment on Reuters due to the ongoing investigation.