We hope to get the root cause report very, very soon, probably in a week’s time," he said. “We are doing an intensive investigation. P&W, which is doing a “root cause" analysis, is yet to identify the number of planes affected by the main gearbox issue, Mark Cryan, vice-president, customers, India, Middle East and Africa, for commercial engines at P&W said last week. The problem with the main gearbox is yet to be addressed. These include the problem with the combustor, the number three bearing, upgrades and status of retrofits, cabin odour and smoke, low pressure turbine and main gearbox issue. In recent months, four of the five major factors giving rise to engine glitches have been addressed. ![]() One of these was the ‘knife edge seal’, which was addressed in early 2018. There have been several problems with P&W engines. This may lead to stress on the machine, making it unsafe, he said. It may be safe for a double-engine aircraft like A320neo to fly on a single engine during an emergency in Europe, but in India similar planes are exposed to various factors such as 14-16 hours of operations each day, Martin said. ![]() It’s a disaster waiting to happen unless addressed soon," said Mark Martin, chief executive of Martin Consulting LLC, a Dubai-based aviation consultancy. “While it has been relatively safe for a double-engine aircraft like A320neo to fly on a single engine during an emergency, there’s a saying in aviation which states that it’s always the second engine that kills you. ![]() India’s Directorate General of Civil Aviation (DGCA), however, in March 2018 grounded 11 A320neo planes with P&W engines following instances of glitches.Īviation experts are cautious about safety challenges posed by glitches in the P&W engines.
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