ML18113A449

LER 1976-014-00 for St. Lucie Unit 1, During Preoperational Testing, Outer Personnel Access Door to Containment Would Not Pass Air Leakage Test

ML18113A449
Person / Time
Site:	Saint Lucie
Issue date:	05/18/1976
From:	Schmidt A Florida Power & Light Co
To:	Moseley N NRC/IE, NRC/RGN-II
References
PRN-LI-76-122 LER 1976-014-00
Download: ML18113A449 (6)

Text

NRC FOAM 195 I2.78 I U.S.NUCLL'Afl REGUI ATOAV COMMISSION 0"~'VjC DISTRIBUTION.FoA PART 50 DOCI<ET MATERIAL~DOCKET NUMBER 50-335 FILE NUMBER INCIDENT REPORT TO: MRo NORMAN Co MOSELEY IFROM: I FLORIDA POWER&LIGHT COMPANY I MIAMI~FLORIDA A, DE SCHMIDT DATE OF DOCUMENT 5/18/76 DATE RECEIVED 5/27/76 KLETTE R~OOAIGINAL JBcor v DESCRIPTION QNOTORIZED

$5JNCLASSIFIED PAOP INPUT FORM ENCLOSU RE NUMBER OF COPIES RECEIVED NONE SIGNED 1 LTD TRANS THE FOLLOWING:

.:PLANT NAME: (1-P)LICENSEE EVENT RPT.(RO 50-335/76-14)

ON 4/18/76 CONCERNING THE OUTER PERSONNEL ACESS DOOR TO CONTAINMENT WHICH WOULD NOT PASS THE AIR LEAKA'GE TEST, ACKNOWLEDGED DQ NOT REMOVE (2-P)NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J.COLLINS ST LUCIE 4(1.I SAFETY BRANCH CHIEF: W 3 CYS FOR ACTION LIC~ASST: W/CYS ACRS CYS HOLDING/ZIEMANN DIGGS ENT TO LA FOR ACTION/INFORMATION ENVIRO RJL F FT Ii N<~DR&.E 2 INTERNAL DISTRISUTION SCHROEDER/IPPOLITO NOVAK CHECK t~E+SS)Fly F.R DFSCO MACCAI E SEN HAi:R SllAO V Or,g II',ngaV~irgI Kit~I: L'll J~~()l j JNS FT PIERCE FLA TIC NSIC EXTERNAL OISTII IOUTION CONTROL NUIvll3F.R NflC I~OIIM Iflfi I2 7III f P-P'apl g 0 I h e I C

~~P.O, BOX 013100, h1IA%ll, FLORIOA 33101 FLORIOA POWER 5 LIGHT COi'APANY May 18, 1976 PRN-LI-76-122 Mr.Norman C.Moseley, Director, Region II Office of Inspection and Enforcement U.S.Nuclear Regulatory Commission 230 Peachtree Street, N.N., Suite 818'tlanta,'eorgia 30303~0~&Pg~

Dear Mr.Moseley:

REPORTABLE OCCURRENCE 335-76-14 ST.LUCIE UNIT 1 DATE OF OCCURRENCE:

APRIL 18, 1976 PERSONNEL AIRLOCK'he attached Licensee Event Report is being submitted in accordance with Technical Speci.fication 6.9 to provide 30-day notification'f the subject occurrence.

Very truly yours,.Vice President Power Resources MAS/cpc Attachment l~S gag)Q-'~jgY66 1Il4~l/l CC Jack R.Newman, Esquire Director, 0 f ice of Inspection

'and Enforcement (30)Director, Office of Management Information and Program Control (3) 4' CONTROL BLOCK: 1 cI UCENSEE NAME~cc1~F L S L S 1 0.7 89 14 15 AEPOAT.REPORT CATEGORY TYPE SOURCE IcD1]ccNT~7 8 57 58 59 60 EVENT OESCRIPTION toad At one oint durin UCENSE NUMSEA 0-0 0 0 0 0'0 EVENT TYPE 0 41 11 1~03 25 26 30 31 32 OOCKET NUMSEA 050-0335 REPORT OATS~EVENT OATS 0 4 1 8 7 6 6 5 1 8.7 6 68 69~74 75 80 reo erational testing, the outer personnel access LICENSEE EVENT REPORT SE PRINT ALL REQUIRED IFIIFORMATION3 6 7 8 9 ao m door to containment would not ass the air leaka e test.The door would 7 89 t004]'ot latch ro erl'ecause of a misali ned latching device.ao The latchin 7 8 9 ao toas]device was repaired, and the outer airlock door was satisfactorily leak 7 8 9~os 7 8 9.SYSTEM'AUSE CQOE COOE COMPONENT CQOE[007)~SA~E P E N E f R 7 8 9 10 11 12 17 CAUSE OESCRIPTION The cause of the occurrerice PRME COMPONENT SUPPLER~A 43 CCMPQNEaIT C 3 1 0 47 N was a bent holdin in in t: he door latchin ao'w'n 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> as required b Technical 7 8 9 ao d vic.The ivot arm in the latchin device became loose causin the 7 8 9 80 ,Q~g device to misalicIn and bend the holdin in.The door would.not lat:ch 7 89 FACIUTY STATUS%POWER OTHER STATUS~E~OO 0 N A 7 8 9~10 12 13 FORM OF ACTIVITY COATENT AELEASEO OF RELEASE AMOUNT OF ACTIVITY>s~Z~Z N/A 7 s s 10 11 PERSONNEL EXPOSURES NUMSER TYPE OESCA:PTION Qg~oo o.z 7 89 11 12 13 PERSONNEL IN JURIES QESCRIPTIQN 7 8 9 11'2 PROBABLE CONSEQUENCES

'~g 7 8 9 LOSS OR OAMAGE TO FACILITY TYPE OESCRIPTION

~z 7'8 9 10 PUBUCITY METHQO OF OISCOVEAY 44 45 46 44 45 N/A N/A N A N/A 80 OISCOVEAY OESCRIPTIQN N A 80 LOCATION OF AELEASE N/A 80 80 80 80 80 7 8 9 AOOITIONAL FACTORS~1s See Pa e Two for continuation of Event Description and Cause Descri tion 7 8 9 80 7 89 NAME.M.A.Scho man PHONE.305/552-3779 80 Ctb ttf Std~

REPORTABLE OCCURRENCE 335-76-14 LICENSEE EVENT REPORT PAGE TWO EVENT DESCRIPTION (Continued)

Specification 3.6.1;3.The inner door was kept closed the entire time that the outer door was out of service.This was the first..occurrence of this type.(335-76-14).

CAUSE DESCRIPTION (Continued) tightly while the holding pin was bent.It is believed that the pivot arm became loose because of slamming of the access door or because of the high frequency of airlock usage necessitated by preparations for initial criticality.

Signs have been posted which instruct personnel to operate the airlock doors carefully.