Each 5-channel 4.5" CFF flange had at least one feed-through channel which did not leak but each flange had multiple feed-through channels that did leak (to varying degree).  The largest individual leak on flange "A" was 1.0 x 10-4 torr*L/sec.  The largest individual leak on flange "B" was 3.1 x 10-5 torr*L/sec.