Three codes could be found in THE REDACTED REPORT – PART 7 post on the Investigate Ingress blog.
[1] 1o-o2o--o2o3o2o-o2o-o2o2o1o3o2o-o2o7o1o4o--o1o-o4o-o2o--o1o-o3o-o3o-o4O2o3oo3o1|3|2\1/2|3|4|1|1/2|\2|1o3o1|7|1|4|4|2\2o5|7|1|3o1|3|2/1\1|3||3|1O--o4O4o-o3oo2OO3|1\1|1|3|1o3o3o1|4O-o2|3O1|2-o1O-o3oo3o--O2o-o2o---oo3oo3O1|6/1\2|3|4|1|1\2|2\|1o3o2\1/1\1/2|4|4|2/2o3|1|7|4/2|3|1|3|1\1/2o-O\1o5o3o2o-o2o-o2o2o1o3o2o-o4o3o3O---oo--o1o-o4o-o2o--o1o-o4o4o-o2o3o2o2
[2] 12qegdlmhn417
[3] rch38seautn638fr
Code #1
Observations
This one is pure artwork
Code #2
Observations
Remember numbers can only range from 2 to 9
Code #3
Observations
16 characters with the right amount of numbers for a valid passcode