Get a Language Tutor
If you have questions about the conjugation of крен or Russian nouns in general, you can practice and get feedback from a professional tutor.
Начался крен.
We're starting to list.
Признаю, у нее крен на левый борт, и молодым дамам случалось напугаться.
Granted it tends to list to port, and has been, on occasion, known to frighten young women.