ENS 42851

v t e ENS Event
05:00 Sep 20, 2006
Title	Irradiator Source Temporarily Stuck in the Exposed Position
Event Description	On the night of 8/28- 8/29/2006 the large irradiator was being used for an all night procedure. The principle investigator for the irradiator was present to conclude the operation on the morning of August 29. At the time designated for source retraction, the irradiator source in fact did not retract to the stowed position. The source actuation system uses air pressure to expose the source and spring force to stow the source. The principle investigator tried to house the source by operating the "override" button. The source remained exposed. After approximately 15 minutes the source returned to the housed condition with no operator action. The irradiator will not be used until J.L. Shepard [the manufacturer] is contacted and the cause identified and corrected. The source is currently stowed. The irradiator is an 8800 Curie Cs-137 self shielded irradiator. Iowa event number I806004 The state notified Region 3 (Lynch). * * Update on 09/21/06 at 1510 ET from Randy D' Ahlin to MacKinnon * * * The following updated information was called in by the State of Iowa Department of Public Health: The irradiator type is an open beam irradiator. The irradiator has been repaired, tested and placed back in service on 09/21/06. R3DO (Julio Lara) and NMSS EO (Cindy Flannery) notified.

ENS 42851 +/-
Where
University Of Iowa Iowa City, Iowa (NRC Region 3)
License number:	0037-1-52-AAB
Organization:	Iowa Department Of Public Health
Reporting

Agreement State
Time - Person (Reporting Time:+12.28 h0.512 days <br />0.0731 weeks <br />0.0168 months <br />)
Opened:	Dan Mcghee 17:17 Sep 20, 2006
NRC Officer:	Jason Kozal
Last Updated:	Sep 21, 2006
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v t e Emergency Notification System
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