This is a market research notice for the repair and refurbishment of specific aircraft parts (P/N 1886-280/1886-290) for the U.S. Air Force. The contractor must provide all labor and materials to return the units to a like-new condition. A key requirement is that the offeror must already be a qualified and approved source prior to any potential award. The Air Force Small Business Office at Tinker AFB, Oklahoma, is the point of contact for questions about the qualification process. The actual qualification package must be submitted electronically through the DoD SAFE system.