15 October 2019
Swiss International Air Lines decided to ground their fleet of Bombardier
CSeries/Airbus A220 fleet for immediate engine inspections following a new
incident.
The first inflight shutdown occurred on July 25, 2019 and
the second occurred on September 16, 2019. In both cases, the
aircraft involved was a Swiss International Air Lines Airbus A220-300 with Pratt
& Whitney PW1524G-3 engines. These inflight shutdowns were due to failure of
the low-pressure compressor (LPC) stage 1 rotor, which resulted in the rotor
disk releasing from the LPC case and damaging the engine.
A third recent incident led Swiss to decide to ground the fleet on October
15, 2019. The aircraft will "undergo an extensive examination from midday",
according to the airline.
Details of the third incident are unconfirmed at this time. It appears the
aircraft involved was HB-JCC, an A220-300 that diverted to Paris-CDG Airport
during flight LX359 from London to Geneva.
The grounding follows an FAA airworthiness directive that
was issued on September 26, which requested initial and repetitive inspections
of certain Pratt & Whitney PW1500G series
engines.
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