All known AA/AI & Whitening chassis that are currently stored in the "H2" building have been opened up and inspected for version6 filter boards. Those with less than version6 that can be updated have been removed and stored in bins in the EE Lab until further action can be taken. A number of filter boards that are marked version5 and then removed to find version6 mods have been done already, have remained removed and a great deal of these boards are being shipped to LLO. Approximately 306 boards have been removed in total for update. It is my understanding that there are some much earlier revisions that may not undergo this modification. There are currently approximately 223 boards in 64 chassis that remain intact for India. All AA/AI & Whitening chassis, regardless of filter board status have received new insulation for the Negative side of the +/- 5V regulator modules.