And now we take our leave. Wikipedia:

Panama Pacific Line, part of the American Line Steamship Corp, operated California and her sisters between New York and San Francisco via the Panama Canal until 1938.

In March 1936 an unofficial strike aboard California in port at San Pedro, Los Angeles,[5] held without the sanction of the International Seamen's Union, led to the foundation of the National Maritime Union. The dispute was about wage rates and overtime payments. The strike lasted only three days but Panama Pacific never fully recovered from it.

Didn't help that the Canal raised its rates in 1938. I'll give Panama-Pacific line this much: not a single one of their ships sunk.