A year after a panel blew out of a Boeing 737 Max during flight, the nation's top aviation regulator says the company needs "a fundamental cultural shift" to put safety and quality above profits.

Key Takeaways Boeing is working to improve its safety practices, but FAA head Mike Whitaker said Thursday the plan is "not a one-year project."Whitaker, who is leaving the FAA later this month, said the agency is still meeting with Boeing weekly to assess the plane maker's progress.

A year after a door plug fell off an Alaska Airlines-operated (ALK) Boeing (BA) 737 Max 9 mid-flight, the Federal Aviation Administration says that Boeing still has a ways to go before it regains the government’s full confidence.