Here are a variety of screenshots:
https://www.dropbox.com/s/dte77zndpnibsli/September%206%20to%208%20yellow%20flicker%202015.pdf?dl=0
Below is a screenshot from cam 4 from September 7 2015 (Japan time) that does NOT show the yellow flickering light, although there does appear to be a structural protrusion in that area:
Compare the screenshot above with the ones taken September 8 that do show the flickering light: