This is a Sources Sought Notice to determine the availability and technical capability of small and large businesses to meet the Government’s requirement for emergency structural thread repair and pre... This is a Sources Sought Notice to determine the availability and technical capability of small and large businesses to meet the Government’s requirement for emergency structural thread repair and precision mechanical alignment of an Allis Chalmers axial compressor in accordance with (IAW) the Statement of Objectives (SOO) for Arnold Engineering Development Complex (AEDC), Arnold AFB, Tennessee. Attachment 1 – PES E-Unit Footer Repair SOO.