Presolicitation DEPT OF DEFENSE DEPT OF THE NAVY is seeking a contractor to repair and modify MICROPROCESSOR,AIRC. This item is used in flight instruments and is critical for maintaining the quality of the part. The contractor must have engineering source approval and the necessary technical data. Only previously approved sources have been solicited. Interested parties must submit the required information for source approval. The proposed contract action is for supplies or services for which the Government intends to solicit and negotiate with only one source. All responsible sources may identify their interest and capability to respond to the requirement or submit proposals, quotations, or capability statements.