NTSB: 737 MAX LEAP-1B Engine Fume Fix on Track for Q1 2026Boeing and CFM are finalizing a software fix for the 737 MAX LEAP-1B engine to prevent cockpit fumes, with a Q1 2026 target per an NTSB report.Feb 27, 2026•4 min•Boeing 737 MAXCFM LEAP-1BNTSBFAAAviation SafetySAFETY