The U.S. Government is conducting market research to find qualified sources to refurbish and restore the VRAMS A6 Power Supply Circuit Card Assembly (CCA) (PN: 2029898-001, NSN: 5998-01-626-6447) for ... The U.S. Government is conducting market research to find qualified sources to refurbish and restore the VRAMS A6 Power Supply Circuit Card Assembly (CCA) (PN: 2029898-001, NSN: 5998-01-626-6447) for the Royal Saudi Air Force (RSAF) F-15SA fleet. This is a highly complex, non-standard repair effort requiring existing system knowledge, reverse engineering, and strict data separation capabilities.