Aggregator

Log Number: 4496222Logbook(s): 

• HBLOG
• ELOG

Entry Makers: shrinerBody: 

Log Number: 4496220Logbook(s): 

• ELOG
• RFLOG

Entry Makers: alexsBody: 

Log Number: 4496217Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 16877Title:
1L19-1 Watchdog Fault

Summary:
1L19 dropped HV, filaments counted down and did not reset. Cavity one appeared on with RF and HV off. Watchdog fault showing on 1L19-1. Paged EESRF; investigating.

Log Number: 4496216Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
1L19-1
Username: kerns
Date/Time: 05-07-26_16:34:47
RF Status: Good
Tuner Status: Good
Comment: Dead RFCM replaced and cavity recovered with new RFCM and optimized at ODVH=5.6 Mv/m.
Special Instructions:

Maintenance Tag: Component: RFCM {Removed SN: 000, Replacement SN: 355}

Log Number: 4496215Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Shenenberger
DATE:             05/07/2026
SHIFT:               Swing

The operator has read the following:

Log Number: 4496214Logbook(s): 

• ELOG
• SRFLOG

Body: 

No major update.

Log Number: 4496212Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Shriner
DATE:             05/07/2026
SHIFT:               Swing

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4496210Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Anthony
DATE:             05/07/2026
SHIFT:               Swing

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4496209Logbook(s): 

• ELOG
• RFLOG

Body: COMMENTS: RFCM found dead as doorknob.


The following module files were successfully downloaded
nl191d nl191e

Log Number: 4496204Logbook(s): 

• ELOG
• SLOG

Tags: 

• Autolog

Body: restorelib 3.0.1 Target restore date was 2026-05-07 15:55:09 The output from the myRestore execution was as follows: iocsoftw3spce systemEnum@2026-05-07 15:55 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -i iocsoftw3spce (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

Log Number: 4496196Logbook(s): 

• ELOG
• LERFLOG

Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 05-07-26
Time : 15:32:11
Day : Thursday
Shift : Swing

Crew Chief : Richardson
Program Deputy: Drury
Team : C
Arm : Shriner
Designated SSO: Shenenberger
LERF Operator:
Operators : Anthony, Shenenberger, Shriner

This stamp certifies that the above Crew Chief has read/reviewed/received the following:

Log Number: 4496192Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 16875Title:
Injection interception

Summary:
CIS investigatingDuration:
50 minutes

Time Down:
07-May-2026 13:37

Time Up:
07-May-2026 14:27

Log Number: 4496190Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 16877Title:
1L19-1 Watchdog alarm

Summary:
EESRF investigatingDuration:
13 minutes

Time Down:
07-May-2026 15:09

Time Up:

Log Number: 4496188Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: xBCD Beam

Log Number: 4496187Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

Body:  Accelerator PHYSICS STUDIES RESTORE ACC DOWN OFF (SAM) Planned 8 0 0

Log Number: 4496186Logbook(s): 

• ELOG

Entry Makers: bbarkerBody: 

Invetsigating and trying to recover now

Log Number: 4496185Logbook(s): 

• ELOG

Entry Makers: bbarker

Log Number: 4496184Logbook(s): 

• ELOG

Entry Makers: ywangBody: 

The injector interceptions became high: https://logbooks.jlab.org/entry/4496146
Fig. 1: Some minor adjustment lowered the interceptions

Log Number: 4496182Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632

Saved: bbarker 05-07-26 15:01:12 {A:i B:5 C:2 E:345 A=BS B=CW C=Tune D=CW 0R08=5.28 dump(s) in.

Log Number: 4496180Logbook(s): 

• HDLOG
• ELOG

Entry Makers: dthomasBody: