ML19317H441

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PNO-TMI-80-030:on 800520,licensee Attempted to Enter Reactor Bldg for First Time Since 790328 Accident.Procedure Was Terminated After Repeated Attempts Failed to Open Inner Door.Probable Causes Include Corrosion & Suction
ML19317H441
Person / Time
Site: Crane 
Issue date: 05/21/1980
From: Jay Collins, Conte R, Fasano A
Office of Nuclear Reactor Regulation
To:
References
PNO-TMI-80-030, PNO-TMI-80-30, NUDOCS 8006060206
Download: ML19317H441 (1)


Text

r"f%(.L A rf 3 d enf\\1 stu a 1 f" i brs 1 A Un riay P.I. I'm o ~

FRELIMiriARY tiOTlflCATION OF EVCHT OR UNUSUAL CONCURRENCE--I'NU-l?11-60-30 This preliminary notification cone.titutes. EARLY notice of events of POSSIDLE safety nr

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The informat,i,un prisented 'is as in,tia i:v recisivto wit.nc2 Fuhlic_ interest siciiit icifice veri ~f1,c,at,i,on or, eva i_uation end i_s bas ically all that is kn'own by tiRC staf f on this,_ gate.

Facility: Metropolitan Edison Company

..THIS DOCUMENT CONTAINSq

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Three Mile Island, Unit 2 Hiddletown, Pennsylvania POOR QUAUTY PAGES dc__

Docket Number 60-320

Subject:

UtiSbCCESSFUL ATTEMPT 10 LNTLR CONTAltW.ENI At approximately 9:00 p.ui., un May 20, 1980, the licensee attempted to enter the !Mi-? rn.

building, the first such attempt since the March 28 accident.

The procedure was terminate-af ter repeateu allempts failed to cpen the inner door ut tne containment per3cnnel airloce.

The-probable causes for the failure to open the door are several:

seal surface achesion; omr4inge binding cue to corrosion; and/or suction effect due to vacuur. cunJitions t>etwa itfe coor seals.

Media' interest is expected because of the uniqueness of the evolution. The Coi:inunwal th --

Pennsylvania was informed. A pres:, release was issued by Met-Ed.

Ihc NRC coes not plan :

press helease at this time.

Tne uRC U:I Program Office staff monitored the evolution anc became aware of these. events they occurred.

This preliminary notification is issued for information only ano the inforcation is curre as of b:00 a.m., May 21,1980.

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Contac.t.: 9. J. ' Conte 390.-M360 590.

id. T. Collins yJ0-3935

,f.a. N. I.a.s a.rio Oistribu tion:

(Facsimile Transmission Times Noted) r St did9 Chairman At'earne' Commissioner Rradford S. J. Chilk, SEC(

Conniissioner Kennedy Cornmiss ioner llendt ia C. C. Ka::::ierer, CA Contaissioner Gilinsky ACR5 (I or Di tribution)

Mds 61du,.,

P. Blog & l 3 5~~

IL:x005 (IE:HQ.3ist.

W. J. 01 rcks, EDO H. R. Denton, NRR C. Michelson, AEDO D. Ross, HRR

s. J. f,uchard, PA R. J. Mattson, NRR LandowBldg(FaxbyHO)

N. M. Haller, MPA S. Hanauer, riRR (6 min / cage)

s. Kerr, OSP U. Eisenhut. NRR J. J. Curnings. 01A H. K. Shaper, LLD R. H. Vollmer. NRR B. J. Snyder,fiRR (MATL)

Region I R. Minogue, SD Region II

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Wiliste Uldg IL.X005 Region III J. G. Davis, NM55 Region IV R. Buanitz, RES Region V PRELIMINARY NOTIFICATION 800606O M