(Reuters) - Spirit AeroSystems ( SPR ) is laying off several hundred members of its workforce in Wichita, Kan., according to a media report Thursday citing internal documents, as the company deals with high debt and slowed production at Boeing ( BA ), its key customer.

"The recent slowdown in the delivery rate on commercial programs compels a reduction to our workforce in Wichita," spokesman Joe Buccino said. "In the coming weeks, we will inform affected employees. We are committed to implementing this transition in as compassionate a manner as possible."

The report, from Wichita-based KSN, said 400 to 450 employees would be affected, citing an internal memo. Buccino would not confirm that figure to Reuters.