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Boeing 737 MAX Government Investigation

This guide chronicles the government investigation around the safety of the Boeing 737 MAX aircraft, focusing on the Congressional and agencies hearings, reports, and documentation produced in the process.

Selected Chronology

Boeing had notified 16 customers to stop flying some 737 MAX planes to address a manufacturing issue that could affect the operation of a backup power control unit. Southwest Airlines removed 30 MAX airplanes from its schedule Friday, while American Airlines removed 17 of its 41 MAX airplanes and United Airlines removed 16 of its 30 MAX airplanes. Boeing Press Release 
Boeing 737 MAX Return to Service in Europe Report 
Overview of the Technical Investigation Activities Performed by EASA  PDF
European Union Aviation Safety Agency (EASA) declares Boeing 737 MAX safe to return to service in Europe. Press release TEXT
The Department of Justice Charged Boeing with 737 MAX Fraud Conspiracy and Settled for $2.5 Billion.Justice Department Press Release TEXT
Release of the H.R. 133 Including Division V Aircraft Certification, Safety, and Accountability.
Senate Report: Commerce, Science, and Transportation Committee released its investigation report on the Federal Aviation Administration (FAA)
The FAA approves the return of the Boeing 737 MAX to service.
Summary of the FAA’s Review of the Boeing 737 MAX PDF


The  House Committee on Transportation and Infrastructure Leaders Unveil Bipartisan Legislation to Strengthen FAA’s Certification Process and Improve the Regulatory System. PDF

House Report: An 18-month investigation by a U.S. House of Representatives panel finds that the FAA failed in its oversight and certification and Boeing failed in its design and development of the MAX as well as its transparency with the FAA. PDF

Boeing fires Chief Executive Dennis Muilenburg 
FAA joins other major global regulators in grounding the 737 MAX.
An Ethiopian Airlines 737 MAX crashes, killing all 157 people on board.

A Lion Air 737 MAX plane crashes in Indonesia, killing all 189 people on board.
The 737 MAX gains U.S. Federal Aviation Administration (FAA) certification.