05000289/LER-1978-006, Forwards LER 78-006/03L-0

Forwards LER 78-006/03L-0

ML19261F254
Person / Time
Site:	Crane
Issue date:	02/21/1978
From:	Herbein J METROPOLITAN EDISON CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19261F255	List: 05000289/LER-1978-006, Forwards LER 78-006/03L-0 05000289/LER-1978-006-03, /03L-0:on 780124,during Normal Operation,Reactor Coolant Sample Isolation Valve CA-V13 Failed to Close When Actuated by Remote Signal.Caused by Valve Stem Thread Wear. Containment Isolation Valve CA-V2 Closed
References
GQL-0255, GQL-255, NUDOCS 7910250690
Download: ML19261F254 (2)

LER-1978-006, Forwards LER 78-006/03L-0

Event date:
Report date:
2891978006R00 - NRC Website

text

o[( ll (V1V

~

REOULATORY INFORf1ATION DISTRIEUTION SYSTEM (RIDS DICTRIGUTION FOR INCOrlING MATERIAL 50- 2So REC-t b 60 9. 2 D N ORO: HEFEEIN J G DOCDATE: 02/21/79 NRC METROPOL EDISON DATE RCVD: 04/14/78 DOC TYFE: LETTER NOTARIZED: NO COPIES RECEIVED EUBOECT:

LTR 1 ENCL 1 FORWARDINO LICENSEE EVENT REPT C RO 50 -2G9/7G--OO6 ) ON 01/24/7S CONCERNING RC LETDOWN SAMPLE ISOLATION VALVE-CA-V13 FAILED TO CLOSE WHEN ACTUATED EY A REttoTE SIGNAL.

VALVE FAILED TO CLOSE DUE TO VALVE STEM THREAD WEAR.

FL ANT NAME: THREE MILE ISLAND - UNIT 1 REVIEWER INITIAL:

XJM DISTRIEUTOR INITIAL: g.

++44444*+********

DISTRIEUTION OF THIS MATERIAL IS AS FOLLOWS ******************

LER ( PACkF I T )

(DI$TRIDUTION CODE M007 L._.-

g pit.e. u)19.ML pRC ME W /

I & E**W/2 ENCL EXTERNAL:

LPDR'S HARRISBURG, PA**W/ ENCL yt e a&.T-6 2 nc e / EN.

. ',C R S CAT B**W/0 ENCL

)h0\\

j n

i l. C DISTRIEUTION:

LTR 6 ENCL 3 CONTROL NBR:

782230114 SIZE: IP+1P

• • ->444*ve**************************

THE END

• • • • • • • • • • • • "8**********

W ****++

)

/

i 791025Q9 f 3

,)

N

.-m n,, rc -v r..:N/pT Cf( C 00.7/

~

[g g u tn. v...

- vcisi i

4--

s'

=

9272

/

/ METROPOLITAN EDISON COMPANY

.z POST OFFICE BOX 542 READING. PENNSY LV ANia 43 TELEPHONE 215 - 929-3601 February 21, 1978 G01.,

0255 Mr. 3. H. Grier, Director Office of Inspections and Inforcenent Region i U. S. Nuclear Reg :latory Con =issien

,' g l }fV 631 Park Avenv3 King of Prussia, Pennsylvania 19hC6

Dear Sir:

Three Mile Island Nuclear Station, Unit 1 Operating License No. DPR-50 Docket No. 50-289 In accordance with Section 6.9.2.3(2) of our Technical Specificatiens we have attached Licensee Event Report 78-06/3L.

Sincerely, J. G. Nerbein Vice President-Generation JGH:DGM:cjg Attach =ent 7022301M 1 4 0 D. 9g Mn Cy # gS,-4 -7?

n'