No service dogs allowed on lift buses?

We had our run-in with Trimet 19 years ago when a driver refused to take one of Jodie's crutches so she could get on the bus. Here's another interesting one:

Disabled woman: TriMet discriminated against me |
KATU.com - News
- Portland, Oregon
| News: "PORTLAND, Ore. - A disabled woman said Monday TriMet discriminated against her because a LIFT driver wouldn’t allow her to board with her service dog, which caused her to miss an important surgery."