ML19262A309

Deficiency Rept Re 3/4 Inch Carbon Steel Nut Discovered on Top of Lower Grid Assembly at Interface of Core Positions L-2 & M-3.Found During post-hot Functional Insp of Reactor Internals.Addl Insps & Investigations in Progress

ML19262A309
Person / Time
Site:	Three Mile Island
Issue date:	04/26/1974
From:	John Miller METROPOLITAN EDISON CO.
To:
Shared Package
ML19262A305	List: ML19262A309
References
NUDOCS 7910260636
Download: ML19262A309 (1)

Text

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METROPOLITAN EDISON COMPANY -

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)ST OFFICE BOX 542 READ" , PENNSYLVANIA 19603 TELEPHONE 215 - 929CC01 April 2o, 197h Dr. D. F. Knuth. Director Directorate of Regulatory Operations Unir d States Atomic Energy Commission Was ngton, D. C. 45

Subject:

Three Mile Island Nuclear Station Unit No. 1 Docket No. 50-289 Inspection of Reactor Internals After Hot Functional Testing

Dear Dr. Knuth:

On April 3, 1974, a situation which may be considered reportable under 10CFRSC.55(e) was noted during inspection of the reactor vessel internals after hot functional testing.

Description of Incident During post hot functional inspect ion of the reactor internals, a 3/4" carbon steel nut was found laying on top of the lower grid assembly at the interface of core positions L-2 and M-3.

Corrective Action Taken Photographs of the nut and surrounding area were taken before removal from the internels. A detailed inspection of core internals did not reveal any damage. Additional inspections and investigations are in pro-gress. We will inform you of the results (f these inspections.

Very truly yours '

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,wY,/ (/' p1rC / M Jl G. Miller V ce President JGM/brh cc:J. P. O'Reilly

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