I ran a bruco for Sept 30th, one of the last locks in O3a after the 48 Hz peak was fixed (52184).  Results are here

There is not much other than some lines at low frequency, and the usual SRCL/MICH/

• Broad coherence with intensity noise out of the laser (or the ISS AOM drive, or bullseye sensor or the FSS drive) above 400 Hz
• Refl 45 I broad coherence above 200 Hz
• Interesting but small coherence with ETMX L2 fast I mon (this channel might be seeing DARM)
• Some high frequency lines have coherence with the same group of channels:
  •  45MHz driver intensity stabilization
  • PEM-CS_RADIO_ROOF4_BROADBAND_DQ
  • PEM-CS_ADC_5_18_2K_OUT