Pratt & Whitney has revealed that it is working with Airbus to solve the technical issues of the PW1100G-JM engine, which is used to power the Airbus A320neo aircraft.

The problems have delayed the deliveries of the Airbus jet, which is the latest version of A320 aircraft programme.

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Pratt & Whitney is currently examining the impact of a glitch, which was discovered last week, over the knife edge seal on the High-Pressure Compressor (HPC) aft hub on a limited subpopulation of the PW1100G-JM engine.

“Pratt & Whitney is working with Airbus to implement the remediation plans set forth in its all-operator transmission.”

In January, Pratt & Whitney stated that it had resolved most of the issues suffered by the PW1100G-JM engine programme, reported Reuters.

However, the company recently said that the engine issue is impacting 43 engines installed on 32 A320neos.

The revelation also follows a new emergency warning issued by the European Aviation Safety Agency about ‘inflight shutdown’ of the engines.

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Pratt & Whitney said in a statement: “There are also approximately 55 such engines delivered to the Airbus final assembly line awaiting installation on customer aircraft.

“Pratt & Whitney is working with Airbus to implement the remediation plans set forth in its all-operator transmission. The company is also working to assess an overall industrial and delivery plan to minimise customer disruption.

“Pratt & Whitney will be in a position to provide greater detail around the remediation plan and impact, if any, on its 2018 delivery plan, once the regulatory authorities address its proposed solution.”

Indian budget carrier IndiGo has also grounded three of its Airbus A320neos aircraft over the safety issues impacting the Pratt & Whitney engines.

The grounding has contributed to flight cancellations since Friday, reported Times of India.

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