Boeing Co. (BA) is repairing up to 25 undelivered 737 MAX jets with damaged wiring, disrupting near-term deliveries of its cash-generating narrowbody aircraft 1. The wiring flaws, caused by a machining error, represent another quality setback for the aerospace giant as CEO Kelly Ortberg works to restore production standards and rebuild Boeing’s reputation.
Key Takeaways
- Boeing repairing 25 737 MAX jets for wiring damage
- Some March deliveries face delays from machining error
- Company maintains 500-jet annual delivery target unchanged
Market Reaction & Context
Boeing shares declined nearly 1% in Tuesday afternoon trading following the disclosure 2. The latest quality issue adds to ongoing challenges for the 737 MAX program, which has faced multiple production problems since returning to service after two fatal crashes that grounded the fleet for 20 months.
The company delivered 51 jets in February, marking the highest monthly total since 2018 and including 43 737 MAX aircraft 3. Boeing maintains production at 42 jets per month, with plans to increase to 47 later this year.
Technical Details
The scratches on wires stem from a machining error and do not present an immediate safety risk, according to Boeing’s engineering analysis 4. The company has notified the Federal Aviation Administration and customers about the issue.
“Our 737 program is performing rework on a group of airplanes to fix wires that have small scratches due to a machining error,” a Boeing spokesperson said 5. “This ensures they meet our quality standards before the airplanes are delivered.”
Production Impact
While some March deliveries will be delayed, the impact may be less extensive than initially anticipated, according to sources familiar with the matter 1. Boeing emphasized that all in-service 737 MAX airplanes can continue operating safely.
The planemaker did not specify whether the scratches were caused by a supplier or occurred during Boeing’s own manufacturing processes. The company plans to open a fourth 737 assembly line at its Everett, Washington plant this summer, targeting 63 jets per month in coming years.
Broader Context
The wiring issue represents the latest hiccup for Boeing as it attempts to stabilize 737 MAX production and deliveries. The company aims to deliver approximately 500 of the narrowbody jets in 2026, maintaining its financial guidance despite the current rework requirements.
Boeing’s quality challenges have drawn continued scrutiny from regulators and customers following high-profile incidents, including a door plug blowout on an Alaska Airlines 737 MAX 9 in January 2024.
Conclusion
The wiring flaw repair work underscores ongoing production quality challenges at Boeing, though the company maintains its annual delivery targets remain achievable. Investors will monitor whether additional quality issues emerge that could further impact the critical 737 MAX program’s recovery trajectory.
Not investment advice. For informational purposes only.
References
1Julie Johnsson and Siddharth Philip (March 13, 2026). “Boeing Is Repairing 25 Max Jets After Wire Flaw Halts Deliveries”. Bloomberg. Retrieved March 13, 2026.
2Reuters Staff (March 10, 2026). “Boeing says wiring flaws could delay first-quarter 737 MAX jet deliveries”. BNN Bloomberg. Retrieved March 13, 2026.
3Lorelei Smillie (March 10, 2026). “Boeing Falls on Fresh Wiring Flaw Found on 737 Max Planes”. Bloomberg. Retrieved March 13, 2026.
4Lauren Rosenblatt (March 10, 2026). “Boeing is reworking some 737 MAX planes to fix scratches on wires”. The Seattle Times. Retrieved March 13, 2026.
5Lorelei Smillie (March 10, 2026). “Boeing Tumbles After Wiring Flaw Found on 737 Max Planes”. Bloomberg Law. Retrieved March 13, 2026.