City of Oakland Public Works Agency addressed this issue on 09/05/2013, service request # 472276.

OOOOPS, ONCE AGAIN PW HAS JUMPED THE GUN. AT 6 PM TODAY, 9/5, THE RETAINING WALL IS STILL COVERED WITH GRAFFITI. I, FOR ONE, WOULD LIKE AN EXPLANATION: WHY DOES PW KEEP CLOSING OUR REPORTS BEFORE THE WORK IS COMPLETED????
I HAVE REOPENED THIS ISSUE.

The City of Oakland Public Works Agency has received this issue. It is registered as service request # 479166. Please check back for status updates or contact us directly at (510) 615-5566.

Thank you for your request. According to our system, we already have an open service request at this location. Your service request has been combined with service request # 479171 . If you would like to check the status of the request, please contact the Public Works Call Center at (510) 615-5566 or pwacallcenter@oaklandnet.com.
This issue can also be followed by watching http://seeclickfix.com/issues/702930

City of Oakland Public Works Agency addressed this issue on 11/27/2013, service request # 479171.