Pratt & Whitney to find solution for PW1100G-JM engine problem affecting A320neo family


East Hartford - On February 21, Pratt & Whitney announced that it had found a solution to the problem that is affecting some of its PW1100G-JM engines installed on the Airbus A320neo family aircraft.

The engine manufacturer renounces the technical modification it had made to the rear hub of the rotor of the high-pressure compressor from mid-2017, to extend the life of the knife seals.

Following this modification, some engines did not work as expected, and the European Aviation Safety Agency (EASA) published an Emergency Airworthiness Directive on February 9 ordering the replacement of at least one of the engines installed on the aircraft, or even the immobilization of aircraft of which both engines were affected.

The solution is based on an old engine configuration that has already received all regulatory approvals,
said Pratt & Whitney on February 21.
The implementation of the solution has begun, and the first engines with this configuration will be delivered starting from early March,
the manufacturer added.

Pratt & Whitney says it will continue to work with Airbus and customers to minimize operational disruptions. The company stated last week that 43 PW110G-JM engines installed on 32 aircraft were affected.

Also, 55 PW110G-JM were already delivered to Airbus with the same modification but have not yet been installed.



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