Some plants shut down because of parts shortages and to prepare for new models.

The operation is suffering from parts shortages and the problems of training thousands of new workers.

The shutdown this week was attributed to the parts shortage.

Before Gabriel left, he told me he asked you to look into the parts shortages.

To make matters worse, Boeing's factories were soon overwhelmed by parts shortages.

Employees at the plant worked two shortened shifts yesterday due to a parts shortage.

There is another obstacle to higher production: parts shortages.

Then a parts shortage forced him to cut back to five-day weeks in December.

Production was also halted after the Sept. 11 terrorist attacks, because of parts shortages.

Boeing said parts shortages continued to plague the company as it increased production.