Prior to [Wednesday's] flight, the nose landing-gear taxi light was replaced and it appears the [nose landing-gear] door was inadvertently left open.

We're not able to respond to something we haven't yet received.

There was an indication that the cabin may have been pressurizing at a slower rate than expected.

Our initial investigations of each incident has found different root causes for each one, which would not indicate a systemic issue.

Each has been due to a different root cause, which would suggest this is not a systemic issue.

Minor problem or not, we take every incident very seriously. We address them all with proactive steps.

Alaska Airlines takes this extremely seriously, and we are aggressively investigating this situation to understand the root cause and to take additional action to prevent this from reoccurring.

As a precaution, we're checking into why the oxygen masks deployed, and we're also trying to determine whether there was a problem with the cabin pressure.

Alaska Airlines takes this incident extremely seriously.