ML18113A437

LER 1976-023-00 for St. Lucie Unit 1, During Surveillance Test on Hot Shutdown Control Panel, Cold Leg Temperature Indication for Reactor Coolant Loop 1A1 Was Not Correct

ML18113A437
Person / Time
Site:	Saint Lucie
Issue date:	06/24/1976
From:	Schmidt A Florida Power & Light Co
To:	Moseley N NRC/IE, NRC/RGN-II
References
PRN-LI-76-159 LER 1976-023-00
Download: ML18113A437 (5)

Text

<<V 70).NDC DISTI'IIOUTION FoII P" T 50 DOCKET MATEnlAL FILC NVMIIE.A INCIDI'.WT REPOIIT: ro: I M.C.Moeeley FRolvl: Fl ord i a Power:8i Light Co..Miami , Fl ord1 a A.D.Schmidt OATC OF OOCVMCNT 6-14-76 DATE RECEIVED 7-8-76 IQLRTTEA I OOAIGINAI CFCOPV QNOTORIZEO g VNCLASSIFIEO PROP INPUT FOAM NVMOEA OF COPIES ACCEIVEO I DESCRIPTION Ltr.'rans the following.......'.

ENCLOSVAE icensee Event Report (R.O.k'6-23)on 5-24-76 oncerning Temperature Indication Hot ShutDown ohtrol Panel.......

(1 Carbon Signed Cy.Received)(.'3.Pages')

'.'ACKNOWLEDG DQ NOT pZMO 9 g St.Luci e'0 1 j NOTE e IP PERSONNEL EXPOSURE IS INVOLVEDSEND DIRECTLY TO KREGER/J COLLINS SAPETY BRANCH, CHIEF: M 3 CYS POR ACTION LIC ASST: M/=--4'YS I ACRS 16 CYS XXSKNXXE/ENT TO LA FOR ACTION/INFORMATION ENVIRO E F L NRG=-PDR,.

IGE 2 INTERNAL D IST Rl BUTION=SCHROFAER/IPPOLITO NOVAKQCIIF CK IE~S tl ee GEE.Ul'EDF 8('Ogl IACCA F S~N'I BAF.R SIIAO'OLLI II'.R/1>Uti(',Il RLgl'.IQJ~OLQ IIS LPOt(:.merce, a TZC NSIC ExTEIINAL DlsTIIIHUTloN CONTrIOI.Nlli%1IIL'n 6837 I~I$~~~~"l f"~5>>i~s~~~~o~~a~I~5 I BgUII rp O.BOX 013100, MIAMI, FLORIDA 33101 FLORIDA POWER 5 LIGHT COMPANY June 24, 1976 IO PRN-LI-76-159 Mr.Norman C.Moseley, Director, Region II Office of Inspection and Enforcement U.S.Nuclear Regulatory Commission 230 Peachtree Street, N.W., Suite 818 Atlanta, Georgia 30303

Dear Mr.Moseley:

REPORTABLE OCCURRENCE 335-76-23 ST.LUCIE UNIT 1 DATE OF OCCURRENCE:

MAY 24, 1976 HOT SHUTDOWN CONTROL PANEL TEMPERATURE INDICATION The attached Licensee Event Repoit is being submitted in accordance with Technical Specification 6.9 to provide 30-day notification of the subject occurrence.

Very truly yours, D.Schmidt Vice President Power Resources MAS/cpc Attachment cc: Jack R.Newman, Esquire Director, Office of Inspection and Enforcement (30)Director, Office of Management Information and Program Control (3)

CENBEE EVENT REPORT~O'l F.7 89 CONTROL BLOCK: UCEN SEE NAME LSLS l 14 15 UCENSE NUMBEA 0-0000[PLEASE PRINT ALL REQUIRED INFORMATION3 UCENSE EVENT TYPE TYPE-0 0 4 1 1 1~03 25 26 30 31 32 REPORT REPORT.CATEGORY TYPE SOURCE[OD1]CONT~~L~L 7 8 57 58 59 60 EVENT OESCRIPTION OOCKET NUMBER 050-033 61 EVENT OATE REPORT OATE 50524766246 68 69 74 75 80 surveillance test.on the hot shutdown control 7 8 9 80[ODg anel HSCP it was found that the cold le tern erature indication for 7 8 9 80~o4 reactor coolant loo lAl was not correct.Indicated tern erature at the 7 8 9 foal)s The tern erature instrumentation 7 8 9 SYSTEM CAUSE CDOE COBE COMPONENT COOE@~77~IF~A I N 5 T R 0 7 8 9 10 11 12 17 CAUSE OESCRIPTION

~08 This occurrence was caused b A S l 8 5 47 N the HSCP reactor coolant tern erature 7 8 9 Q~g HSCP was 555 de rees F while the correct readin as indicated in the 80 80 80 7 8 9 QOg indication bein out of calibration.

7 8 9~10 80 No defective com onents were found.80 OTHER STATUS N/A AMOUNT OF ACTIVITY N A.7 89 LOSS OR OAMAGE TO FACIUTY TYPE OESCAIPTION

~z 7 89 10 PUBLICITY 7 8 9 7 89 FACUTY STATUS%POWER@~g B~05 0 7 8 9 10 12 13 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE~z z 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE OESCRIPTION Q~~7~00 o~z 7 8 9 11 12 13 PERSONNEL INJURIES NUMBER OESCAIPTION

@~47~o.o o 7 8 9 11 12 PROBABLE CONSEQUENCES Q~g METHOO OF OISCOVERY 44 45 44 45 N/A N A N A N/A 46 OISCOVERY OESCAIPTION N/A LOCATION OF RELEASE N/A 80 80 80 80 80~80 AOOITIONAL FACTORS'ee Pa e Two for continuation of Event Descri tion.7 8 9 80 7 89 NAMEI M.A.Scho man PHONE 305 552-3779 80 REPORTABLE OCCURRENCE 33 5-7 6'-23 LXCENSEE EVENT REPORT PAGE TWO Event Description (continued) associated with the HSCP was calibrated and the surveillance test was completed satisfactorily.

This was the first occurrence of this type.(335-76-23).