YES! Every company has problems, but this one is huge. I am going to explain what is happening with the A320 NEO PW1000G very quickly and basically a summary, but if you would like to read the full thing, just scroll down.
The PW1000G is having problems with freezing in the air. Spirit Airlines pilots of the A320 NEO, are reporting Mid-flight shutdowns of the A320 NEO aircraft. The same problem is happening with other airlines who have the A320 NEO with PW1000G engines. Airlines are telling the pilots to stay below FL300… and I can confirm that with this screenshot:
This is spirits 1 of 2 remaining NEOS in service today
As you can see, it is around FL300.
To read the full article in detail, click below -
More detailed source:
Update: Did some research and the PW1000G is being used as options for the following aircraft:
Airbus A320neo family
Embraer E-Jets E2
Mitsubishi Regional Jet