The Federal Aviation Administration is investigating an April incident involving a Southwest Airlines 737 MAX 8 that descended rapidly from 1,000 feet and came within about 400 feet of the ocean surface off the Hawaiian island of Kauai.
This is a companion discussion topic for the original entry at https://www.avweb.com/aviation-news/faa-investigates-near-disaster-southwest-plunges-within-400-feet-of-pacific-ocean