US Transportation Secretary calls for audit into Boeing 737 MAX certification

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The 737 MAX in Boeing livery. (Boeing)

{United States|Usa|United states of america} Transportation Secretary Elaine Chao has asked her department to conduct an audit of the Boeing 737 MAX certification process with the {Federal Aviation Administration|Faa} (FAA).

Chao requested the audit {in a|inside a|within a} memo to US Department of Transportation (DOT) inspector general Calvin Scovel on March 19 (US time).

“ {To help|To assist|To aid} inform the department’ s decision making and the public’ s understanding, and to assist the FAA in ensuring that its safety procedures are implemented effectively, this is to confirm my request that the Office of Inspector General proceed {with an|having an|by having an} audit to compile {an objective|a target} and detailed factual {history of|good|great} the activities that resulted in the certification of the Boeing 737 MAX 8 aircraft, ” the memo said.

“ Please keep me apprised of the status of your work as it progresses. ”

{The US|The united states|The} DOT posted the memo on its website

Boeing said {in a|inside a|within a} statement on its Twitter page the company would fully cooperate in the audit.

The Boeing 737 MAX has been in the spotlight since the accident involving Ethiopian Airlines flight ET302 on Sunday where all 157 people on board were killed when the aircraft crashed into the ground shortly after takeoff.

A preliminary analysis of the flight data recorder (FDR), as well as satellite tracking data, suggested there were similarities with an accident involving a Lion Air 737 MAX 8 that plunged {into the|in to the|to the} Java Sea minutes after it took off in October 2018. There were no survivors among the 189 people {on board|aboard|on side}.

Aviation regulators around the world , including the US FAA, have grounded the 737 MAX.

There has {also been|recently been|already been} scrutiny on what role the 737 MAX’ s Maneuvering Characteristics Augmentation System (MCAS) may have played in both incidents.

The MCAS, which was added to the 737 MAX as part of design changes where the engines were {a little|just a little|slightly} further forward on the wing, helped push the nose down to reduce the risk of {at the|in the|on the} aircraft stalling in response to {a high|a higher|a top} angle of attack (AOA) by tilting the horizontal stabiliser. Pilots can override the system by manually adjusting the trim.

A Seattle Times report raised concerns that the US FAA may have gone {too far|too much|beyond the boundary} in its delegation of responsilibty to Boeing for certifying the safety of the 737 MAX, citing interviews with Boeing and FAA engineers.

Further, the report also noted the original safety analysis that Boeing {delivered to|sent to|brought to} the FAA on the MCAS contained several crucial flaws.

Boeing told the newspaper there were some significant mischaracterisations in the description of the flaws in MCAS certification.

Ethiopian Airlines has said previously the pilots of flight ET302 experienced flight control problems.

Meanwhile, the Indonesian National Transportation Safety Committee (NTSC) preliminary report into the Lion Air incident found pilots were battling a “ flight control problem” before the aircraft crashed. It also stated Lion Air Boeing 737 MAX 8 had experienced airspeed indicator malfunctions on its last four flights.

Boeing has said previously {it would|it might|it could} release a software update and related pilot training for the 737 MAX that would address concerns discovered in the aftermath of the Lion Air flight JT610 accident.

The US FAA said recently it would issue an Airworthiness Directive to mandate this software enhancement by April.

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VIDEO: {A look at|A glance at|A review of} what it is like to fly the Boeing 737 MAX from The Washington Post ‘ s YouTube channel.

737 MAX {the latest|the most recent|the newest} generation of a 50-year-old {program|system|plan}

Boeing launched the 737 MAX {program in|put in} January 2011. It was {the fourth|your fourth} generation of an aircraft that celebrated its 50th year in 2018.

The US FAA certified the aircraft in March 2017 after what Boeing executives had previously described as {a smooth|an easy} development program.

“ When I came to join the program as the chief project engineer we had a separate team put together that was defined {to only|to} work on the MAX, {in terms of|when it comes to|with regards to} working through the requirements {of the|from the|in the} airplane, agreeing to the schedule, working with the production system {and really|and also} working with the engine supplier as well – they follow that same process – and then following a whole series of gated process of milestones {to ensure that|to make sure that|to ensure} throughout that development phase we were sticking to our schedule and making the decisions {when we|whenever we|once we} needed to make them, ” Boeing 737 MAX chief project engineer and deputy program manager Michael Teal told reporters in April 2017.

“ {And when|So when|And once} we followed that regimented process with this airplane development effort, the results have shown {that we have|that we get} been able to stay on schedule and meet the performance of the airplane. It is really kind of back to {the basics|the fundamentals|the basic principles} of program management of setting forth and {making the|the} commitments that you know you can make – both performance wise and schedule wise – {and then|after which|and after that} going forth and executing on that. ”

The design changes {from the|from your|through the} 737NG (the -600, -700, -800 and -900ER series) included larger engines, an updated flightdeck and a host of aerodynamic improvements {to cut|to slice} fuel burn.

A supplied image of Boeing 737 MAX 7, 8 and 9 artwork. (Boeing)

A supplied image of Boeing 737 MAX 7, 8 and 9 artwork. (Boeing)

Boeing chief executive safety at the “ core” {of the|from the|in the} company

On March 18, Boeing {chief executive|leader} Dennis Muilenburg said safety was “ at the core of who we are at Boeing”, adding that the company {was in|is at|was at} “ full corporation {with the|using the|with all the} US FAA, DOT and US National Transportation Safety Board on “ all issues relating to both the Lion Air and the Ethiopian Airlines accidents since the Lion Air accident occurred in October last year”.

“ We’ re united {with our|with the|with this} airline customers, international regulators and government authorities in our efforts to support the most recent investigation, {understand the|be familiar with} facts of what happened {and help|that help} prevent future tragedies, ” Muilenburg said in a statement.

“ {Based on|Depending on|According to} facts from the Lion Air Flight 610 accident and emerging data as it {becomes available|receives} from the Ethiopian Airlines Flight 302 accident, we’ re taking actions to fully ensure the safety of the 737 MAX. We also understand and regret the challenges {for our|for the} customers and the flying public caused by the fleet’ s grounding. ”

VIDEO: Boeing chief executive Dennis Muilenburg outlines the company’ s commitment to safety in a video on the company’ s website.

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