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Airlines Ground Hundreds of Planes Amid Engine Repairs and Defect Backlogs

Airlines Ground Hundreds of Planes Amid Engine Repairs and Defect Backlogs
The global aviation industry is confronting a significant operational challenge as more than 835 aircraft equipped with Pratt & Whitney’s Geared Turbofan (GTF) engines remain grounded. This widespread grounding results from a surge in detected defects and prolonged repair times, severely impacting airline fleets worldwide. The PW1000G engine family, which powers popular aircraft models such as the Airbus A320neo, A220, and Embraer E2, has become the focal point of this crisis.
Maintenance Delays and Fleet Disruptions
Data from Cirium, referenced by AeroExplorer, reveals that by the end of October 2025, approximately one-third of the global GTF-powered fleet was out of service. Airlines most affected include Mexico’s Volaris and VivaAerobus, followed by European carriers Wizz Air and airBaltic. The core issue lies in the extended repair durations at maintenance centers. Inspections that previously took around 60 days have now stretched to nearly 300 days for many engines. This dramatic increase in turnaround time has forced airlines to adjust flight schedules and reduce capacity, compounding operational difficulties.
The problem extends beyond Pratt & Whitney engines. Air Canada, for instance, has had to revise its operational plans to accommodate disruptions caused by GTF engine issues affecting its Airbus A220 fleet. Compounding these challenges, the aviation sector is also grappling with a software glitch affecting thousands of Airbus A320 series aircraft. This defect, linked to solar radiation interference with flight control systems, has necessitated repairs on approximately 6,000 planes to ensure continued safety.
Broader Industry Challenges and Reliability Concerns
Concerns over engine reliability are not confined to Pratt & Whitney. GE Aerospace’s LEAP engines have come under increased scrutiny, particularly those operating in dusty environments where accelerated wear and tear have prompted heightened inspection requirements. These additional maintenance demands place further strain on already stretched resources.
The convergence of these issues highlights deeper structural vulnerabilities within the aviation industry. Supply-chain disruptions, engine reliability problems, and ongoing geopolitical uncertainties collectively challenge the sector’s ability to maintain operational stability. As airlines and manufacturers strive to address these complex problems, the pressure mounts to restore confidence among passengers and ensure the resilience of global air travel.
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