ML19310A718

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Forwards Revised Page 2 to RO 50-20/80-2
ML19310A718
Person / Time
Site: MIT Nuclear Research Reactor
Issue date: 05/27/1980
From: Bernard J, Lisa Clark
MASSACHUSETTS INSTITUTE OF TECHNOLOGY, CAMBRIDGE
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19310A719 List:
References
NUDOCS 8006230051
Download: ML19310A718 (1)


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2 NUCLEAR REACTOR LABORATORY l I m *b r _ e. l MASSACHUSETTS INSTITUTE OF TECHNOLOGY '%Y o K. H ARLING 138 Albany Street Cambridge, Mass. 02139 L. CLARK,JR.

oarsctor (617)253- 4211 cirector of Reactor ocerations May 27, 1980 Mr. Boyce H. Grier, Director U.S. Nuclear Regulatory Commission Region #1 631 Park Avenue King of Prussia, Pennsylvania 19406 Attention: Mr. E. Greenman, Reactor Inspector Re: Reportable Occurrence 50-20/80-2, License R-37: Correction Gentlemen:

Please replace page 2 of Reportable Occurrence 50-20/80-2, dated May 23, 1980, with the enclosed revised page 2.

The purpose of the revision is to correct the second paragraph of section 7 which should have read " routinely measured every six months", not every six weeks. The blade drop times are measured every six weeks, the blade thick-nesses every si:: months.

.

The wording of the last few lines of the final paragraph on page 2 has also been revised to clarify the description of the electromagnetic coupling of the blade and its purpose.

Sincerely, Ok k John Bernard w

Superintendent wh ,

Lincoln Clark, Jr.

Director of Reactor Operations

Enclosure:

Page 2 (revised) cc: MITRSC USNRC-0MIPC USNRC-DMB I

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