ITF found locked in LOCKED_SSFS, Maintenance mode started at 6:07 UTC to allow activities inside the Buildings.
The shift was mainly dedicated to SBD1 Scattered light mitigation, carried out by DET Team.

List of maintenance activities communicated to the Control Room:

• Cryotraps refill;
• Cleaning operation in Central Building and Tunnel Mode Cleaner;
• Preparation works of CB A/C pipe 3-way valve for replacement;
• Filming Crew in Central Building followed by F. Richard.

Maintenance mode ended at 10:24 UTC, activities inside the SBD1 Tower still in progress.

VPM
ParseSeismonProcessing crashed at 10:37 UTC, process properly restarted.
FbmPyAccess crashed at 11:10 UTC, process properly restarted.
VacuumMoni restarted at 11:30 UTC to adjust the threshold.

TCS
Check of the TCS chillers water level.