NTSB wants action on CFM LEAP-1B engines over smoke entering cockpit

The NTSB issued an urgent safety recommendation regarding CFM International LEAP-1B engines, prompted by two incidents involving smoke in the cockpit of a Southwest Airlines 737 MAX in 2023. The recommendation urges the FAA to ensure flight crews are informed about the issue in Boeing and Airbus planes using LEAP-1B engines and to evaluate potential issues with LEAP-1A and -1C engines as well. CFM LEAP engines are used on variants of Airbus A320neo and Boeing 737 MAX aircraft.

Analysis

The National Transportation Safety Board (NTSB) has issued an urgent safety recommendation concerning CFM International LEAP-1B engines, following two 2023 incidents involving smoke in the cockpit or cabin of a Southwest Airlines Boeing 737 MAX. This recommendation calls for the Federal Aviation Administration (FAA) to ensure flight crews operating Boeing or Airbus aircraft equipped with these engines are adequately informed of the potential risk. Furthermore, the NTSB advises an evaluation of CFM's LEAP-1A and -1C engines for similar issues. CFM International, the world’s largest engine maker by units sold and a joint venture between GE Aerospace and Safran, supplies these LEAP engines for widely used aircraft models including variants of the Airbus A320neo and the Boeing 737 MAX. This development introduces a new operational and safety concern for airlines using these aircraft and engines, and for the manufacturers, potentially impacting production, maintenance schedules, and overall investor confidence, particularly for Boeing. The per-ticker sentiment reflects this, with Boeing (BA) at -0.4 and Southwest Airlines (LUV) at -0.5, while sentiment for GE Aerospace and Safran remains neutral at 0.0, suggesting the market may be awaiting further clarity on their specific liabilities or mitigation measures. The article's subsequent pivot to Boeing's valuation and the utility of AI stock analysis, while distinct from the NTSB's direct safety concerns, underscores how such operational issues can significantly influence investor perception and valuation assessments.

Key Decisions for Investors

• Investors holding or considering positions in Boeing (BA) and Southwest Airlines (LUV) should closely monitor the FAA's response to the NTSB recommendations and any subsequent operational or financial implications arising from potential engine inspections, modifications, or service bulletins.
• Given the direct involvement of CFM International LEAP engines, stakeholders in GE Aerospace (GE) and Safran (SAF) should track disclosures regarding the extent of the issue across LEAP engine variants and any associated costs or liabilities for the joint venture.
• While the article touches on Boeing's valuation, the new safety concerns related to its 737 MAX aircraft equipped with LEAP-1B engines introduce an additional risk factor that must be carefully weighed against any perceived undervaluation.