ENS 47229

v t e ENS Event
22:00 Aug 12, 2011
Title	Potential Violation of Technical Specifications
Event Description	Technical Specification 3.2.3 requires two (2) channels of reactor period and reactor level are functional during work involving reactivity being moved in the core. In this case an experiment was being moved into the core and performing some blade testing. The reactor was shutdown at the time with all prior required tests competed satisfactorily. Upon completion, it was discovered that one of the period channels alarm function required by TS was disconnected. The licensee implemented corrective actions to prevent recurrence. A conference call was established with the licensee and NRR (Adams, Quichocho and Sloan).

ENS 47229 +/-
Where
Massachusetts Institute Of Tech Cambridge, Massachusetts (NRC Region 1)
License number:	R-37
Reporting

Non
Time - Person (Reporting Time:+469.5 h19.563 days <br />2.795 weeks <br />0.643 months <br />)
Opened:	Thomas Newton 11:30 Sep 1, 2011
NRC Officer:	Joe O'Hara
Last Updated:	Sep 1, 2011
47229 - NRC Website
v • d • e

v t e Emergency Notification System
Massachusetts Institute Of Tech with Non
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