This is a notice of intent to negotiate competitive proposals for the repair of two units of a specific part. The acquisition is 100% set aside for small business concerns, with the specific type of set-aside to be defined in the solicitation. Award is contingent upon the offeror or product meeting specific qualification requirements at the time of award. The government is not using commercial item procedures for this solicitation, but potential offerors may submit their interest in providing a commercial item alternative within 15 days of this notice. Some items may be subject to Free Trade Agreement clauses.