Jack is a plumber who specializes in sewer blockages, he has found a new way to unblock logs from pipes, he is unwilling to share this method but has left all that is needed at GZ, it is up to you to find this new and improved extraction method without getting dirty, get your thinking caps on and unblock the log.
BYOP
DO NOT try and dig the cache out as the answer lies within.
Best place to park is off East Tamaki rd
There is a key charm for the FTF.
Good Luck