Turbofan Durability Report - June 2026

This report examines the structural integrity issues affecting the latest generation of turbofan engines — from powder metal contamination in HPT discs to the fleet-wide disruption of inspection mandates and aircraft groundings.

Inside the report:

• Root cause analysis of powder metal contamination in HPT discs

• GTF programme timeline: inspection mandates, AOG rates, and return-to-service forecasts

• Fleet disruption modelling across A320neo, A220, and E-Jet E2 operators

• MRO capacity constraints and engine shop visit backlogs through 2028

• Financial impact on lessors, airlines, and aftermarket valuations

• OEM warranty exposure and Pratt & Whitney programme economics

Essential reading for anyone tracking engine programmes, fleet planning, or aftermarket investment.