the CEO of Boeing acknowledged a lax safety culture existed at the aircraft manufacturer but denied workers on Boeing's factory floors were being pressured to speed up lagging production.

LONDON, July 21 (Reuters) - Boeing (BA.N), opens new tab is seeing a significant improvement in production flow at its 737 MAX factory ... battles to overcome a safety crisis.

About 70 production workers and 35 office staff ... The National Transportation Safety Board said the factory failed to have natural gas emergency procedures in place that could have resulted ...