Aggregator
Downtime Incident CLOSED: 1L09-5 stuck on Cav FSD fault
Downtime Incident CREATED: 1L09-5 stuck on Cav FSD fault
LEM North Linac
The OPS DRVHs for the following cavities have been updated: 1L15-4
Downtime Incident CREATED: Bringing back 1L15-4 to give us a better trip rate
Vacuum Group Summary 2026-07-20
The following cavities have been UnGSET 0: 1L15-4
Log Number: 4527875Logbook(s): Tags: Body:
The following cavities have been UnGSET 0:
1L15-4
Username: bschauml
Date/Time: 07-20-26_16:12:44
RF Status: Good
Tuner Status: Good
Comment: UnGSET 0 - stepped on -100k - Trying Lower Gradient, Per ELOG 4527803
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
Operator SIGN IN
CATS Assessment / Audit / Management Corrective Action Completed
Log Number: 4527860Logbook(s): Entry Makers: lhansenBody: A corrective action for an Assessment / Audit / Management has been completed in the JLab Corrective Actions Tracking System.
Org: Environmnt,Safety &Health
Corrective Action:
Evaluate implementation of PA announcements via the Cisco desk phones during severe
weather alerts (Tornados only)
Closure Evidence: Memo to file on decision
You can view this corrective action here:
https://misportal.jlab.org/ehs/tracking/view_action.php?action_id=42036
Org: Environmnt,Safety &Health
Corrective Action:
Evaluate implementation of PA announcements via the Cisco desk phones during severe
weather alerts (Tornados only)
Closure Evidence: Memo to file on decision
You can view this corrective action here:
https://misportal.jlab.org/ehs/tracking/view_action.php?action_id=42036
iocsoftw4spce restored
Log Number: 4527857Logbook(s): Tags: Body: restorelib 3.0.1
Target restore date was 2026-07-20 15:41:59
The output from the myRestore execution was as follows:
iocsoftw4spce
systemEnum@2026-07-20 15:41
2(2) restored
Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -i iocsoftw4spce (success)
PVs modified: 0
PVs modified: 0
PVs modified: 0
PVs modified: 0
PVs modified: 0
PVs modified: 0
PVs modified: 0
Procedure return status: Success
CREW CHIEF SIGN IN
Log Number: 4527840Logbook(s): Body:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 07-20-26
Time : 15:24:44
Day : Monday
Shift : Swing
Crew Chief : Forman
Program Deputy: KLarrieu
Team : F
Arm : Schaumloffel
Designated SSO: Yoon
LERF Operator:
Operators : Schaumloffel, Yoon
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 07-20-26
Time : 15:24:44
Day : Monday
Shift : Swing
Crew Chief : Forman
Program Deputy: KLarrieu
Team : F
Arm : Schaumloffel
Designated SSO: Yoon
LERF Operator:
Operators : Schaumloffel, Yoon
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
QuickPic - Machine Update
Crew Chief Shift Log, 2026-07-20 DAY
Log Number: 4527830Logbook(s): Tags: Body:
CEBAF SHIFT LOG
Shift Summary
Start of shift: CW beam to B/C/D.
Crew Chief Timesheet Summary: 20 Jul 2026 DAY
Log Number: 4527827Logbook(s): Tags: Body:
Accelerator
PHYSICS
STUDIES
RESTORE
ACC
DOWN
OFF (SAM)
Planned
8
0
0










