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Event Notification Report for November 01, 2025

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
10/31/2025 - 11/01/2025

EVENT NUMBERS
58019
Non-Agreement State
Event Number: 58019
Rep Org: Bayer
Licensee: Bayer
Region: 4
City: Soda Springs   State: ID
County:
License #: 11-27361-01
Agreement: N
Docket:
NRC Notified By: David Matyus
HQ OPS Officer: Adam Koziol
Notification Date: 11/03/2025
Notification Time: 14:55 [ET]
Event Date: 11/01/2025
Event Time: 13:00 [MST]
Last Update Date: 11/03/2025
Emergency Class: Non Emergency
10 CFR Section:
30.50(b)(2) - Safety Equipment Failure
Person (Organization):
Vossmar, Patricia (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
STUCK OPEN SHUTTER

The following information was provided by the licensee via phone:

On November 1, 2025, at 1300 MDT, a normally open, vessel mounted gauge was found stuck in the open position during a periodic inspection. The manufacturer has been contacted to schedule replacement of the gauge. There is no risk of additional exposure to personnel due to this event.

Model: Vega FH-F2
Source: 500 mCi, Cs-137