Sources Sought DEPT OF DEFENSE DEPT OF THE AIR FORCE is conducting market research to identify potential sources for the repair of F108 Stage 1 Fan Blades. This repair requirement is for aircraft engines and engine parts manufacturing. The purpose of this notice is to determine the best future acquisition strategy for this procurement. Interested parties are advised to review the notice and respond as instructed. This is for informational and planning purposes only and does not constitute a solicitation for bids or proposals.