Boeing’s (NYSE:BA) shares on Friday fell as a lot as 4.9% after the plane maker suspended deliveries of its 787 Dreamliner due to a mistake in certification information.

The corporate on Thursday mentioned it found an evaluation error by a provider associated to the 787 ahead strain bulkhead whereas going by way of the method to increase the working timeline for an element, Reuters reported.

The problem isn’t associated to a previous mechanical drawback with gaps across the ahead strain bulkhead that the Federal Aviation Administration found in 2021. That discovering contributed to a pause in 787 deliveries that resulted in August.

“Final evening’s information that Boeing (BA) is halting 787 deliveries till the FAA approves some new documentation gave us an disagreeable sense of deja vu after deliveries have been halted from Might 2021 to August 2022,” Seth Seifman, analyst at JPMorgan, mentioned in a February 24 be aware. “Producing and delivering plane are the primary actions we’re utilizing the consider Boeing’s (BA) operational efficiency and whereas this information is unlikely to have an effect on manufacturing, it does push out some deliveries, although hopefully for less than a quick interval.”