LOCKLOSS @ 9:13 - And so ends the longest lock we have had for O4, 33:34. Something has tripped the ISI and HEPI HAM 4/5 WDs. I have attached the plots for HAM 4 HEPI and ISI. I believe this was caused by a CDS failure, as I see H1IOPSEIH45 is reading red for DAC and DK, will contact Dave.