It has not happened a lot, but it has happened before. Just not while boarding.

We are investigating both of these incidents. They (investigators) have requested that all data from both incidents be preserved and investigators will interview controllers.

We are sending investigators because O'Hare had two major runway incursions in one week.

When you participate as a party in an NTSB investigation, the rules are that only the NTSB releases any information.

When you participate as a party in an NTSB investigation, the rules are that only the NTSB releases any information. (The union) violated those rules.

A mechanic walked in front of the engine and was pulled into the engine.