US Transportation Secretary Duffy is expected to announce certification of Boeing's (BA) 737 MAX 10 on Tuesday, sources say

US Transportation Secretary Duffy is expected to announce certification of Boeing's (BA) 737 MAX 10 on Tuesday, sources say.

A certification announcement via sourced preview, ahead of a formal statement, follows the familiar pattern for long-running approval programs: the market has typically traded the de-risking of the timeline well before the document is signed, so the pre-announcement leak itself is part of the price discovery rather than a clean catalyst. For this airframer specifically, certification of the stretched variant has been the larger of the two outstanding program approvals and the one carrying the heavier backlog, which is why it has functioned as a recurring sentiment pivot for the stock across the program's repeated delays. The distinction worth drawing is between certification and entry into service: approval removes the regulatory overhang, but revenue recognition and delivery timing still run through customer induction schedules and any conditions attached to the type certificate. Precedent in similar approval events is that the equity reaction concentrates in the manufacturer and its direct supply chain, with airline customers responding on fleet-planning implications rather than on the headline itself. Worth watching next are the formal announcement's wording on any limitations or required actions, confirmation of first delivery timing, and whether the remaining uncertified variant moves onto a firmer timeline. As a sourced report rather than an official statement, the signal carries the usual caveat that timing slips of a day or two have been common in this program's history.