Fleet, orders, deliveries & MRO

737 MAX replaced the NG engine with LEAP-1B

Last observed 2026-10-19 · Confidence 99%

Canonical event record

What happened

The 737 MAX introduced the LEAP-1B engine, requiring changes to engine positioning and associated flight-control refinements.

Why it matters: Aviation Synth is still preparing the editorial interpretation for this source-backed event.

Connected intelligence

No reviewed trend connection is available for this event.

These events share topic context. This is not a claim of causation.