The impact of the potential design problem inside some wiring bundles is still unknown. The Boeing insider said it's not yet clear if this is a real concern. TED S WARREN/AP The separate MAX issue related to lightning protection is not a design but a manufacturing mistake. That led to re-examining every possible system failure and the discovery of the potential electrical short. Manufacturing flaw left MAXs vulnerable to lightningThe separate MAX issue related to lightning protection is not a design but a manufacturing mistake.

Source: Stuff January 07, 2020 18:33 UTC