ML18113A355

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

ML18113A355
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: ML18113A355 (7)

Text

NRC FORM 195 U,S, NUCLEAR REGULATORV COMMISSION DOCKET NUMOER I2.761 0:

~l JRC "DISTRIBUTION FoR PART 50 DOCKET MATERIAL FILE NUMBER INCIDENT REPORT I DATE OF DOCUMENT Mr Moseley Florida.,P6wer & Light Co 6-24-76 Miami', .Fla DATE RECEIVED A D Schqidt ABORIGINAL 55LETTER ONOTORIZEO PROP INPUT FORM NUMSER OF COPIES RECEIVED SUNCLASSIFIEO II0cor v

~ p NQ/ no originals re DESCRIPTION ENCLOSURE S.i

( I Ltr traAs the following: Licensee Event Report (ROIII76-23) on 5-24-76 concerning hot shutdown control panel temp-erature indication..........~...

1

/ E U PLANT NAt~: St Lucie 01'OTE: IF PERSOiiEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J, COLLINS FOR ACTION/INFORMATION 7-6-26 ehf NCfi CfiXEF' 3 CYS FO AC ON LIC ~ ASST H/ CYS ACRS CYS fi4%rtRH8/SE T TO LA INTERNAL D IST R I BUTION REG FILE NRC PDR I & E 2 SCffROEDER/IPPOLITO HOUS ON NOVAK/CIIECK GRItIES CASE B .ER 1fANAUER TEDESCO i~IACCARY EISENHUT BAER Sf lAO VOLLMER/fIUNCH EGER J, COLLINS EXTEIINALDISTRIBUTION CONTROL NUMBER PDR ~ I C.I c 4 IC:

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~, I /)fr(X FLORIDA POWEII R LIGHT COII. A IY AD AiP() n T)r; I June 24, 1976 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 OF OCCURRENCE: i4AY 1'ATE 24, 1976 HOT SHUTDOWN .CONTROL PANEL TEMPERATURE INDICATION The attached Licensee Event Report is being submitted in accordance with Technical Specification 6.9 to provide 30-day notification of the subject occurrence.

Very truly yours, O~

~ D.~ Schmidt Vice President Power Resources C

~EY MAS/cpc Attachment CC Jack R. Newman, Esquire Director, Office of Inspection and Enforcem n (30)

Director, Office of Management Information a Program Control (3)

'0 LICENSEE BIENT REPORT CONTROL BLOCK: t'.P~E PRINT ALL REQUlRED INFORMAT10$3 1

[op~] F

.7 89 z.s UCENSEE NAME z,sz 0 0000000'4 UCENSE NUMBER 1

UCENSE 11L0D3J TYPE EVENT TYPE

~

14 15 25 26 30 31 32 REPORT REPORT

, CATEBQRY TYPE SOURCE OOCKET NUMBER EVENT OATE REPORT OATE

~01 coN'z ~L ~L 0 5 0 0 3 3 5 0 5 2 4 6 6 2 4 6 7 8 57 58 59 60 61 ~

68 69 ~

74 75 80 I

EVENT OESCRIPTION

[oa~j su veillance test on the hot shutdown control 7 8 9 7 89 anel HSCP it ~

was found that the cold le tern erature indication for 80

~04 reactor coolant loo lAl was not correct. Indicated temperature at the 7 8 9 80 Qg HSCP was 555 de rees F while the correct readin as indicated in the 7 8 9 60 t00l6 m s The temperature instrumentation 7 8 9 PFIME 80 SYSTEM CAUSE CCMPQNENT CQMPQNIBT CQQE CQOE COMPONENT CQOE SUPPLXA VCULTCN 7

[OD>J ~IF 8 9 10

~A z N s T R 0 S 1 8 5 N 11 12 17 47 CAUSE OESCRIPTION This occurrence was caused b the HSCP reactor coolant tern erature 7 8 9 80 Qg8 9 indication bein out of calibration. No defective com onents were found.

7

~o 7 89 FACLlTY METHOO OF 80 STATUS  % POWER OTHER STATUS OISCQVERY OISCQYERY OESCRIPTIQN Pig 7 8

~B ~05 0 N/A 44 N/A 9 10 12 13 45 46 FORM QF ACTIVITY CO@TENT

'5 RELEASEO OF RELEASE AMOUNT OF ACTIVITY I.OCATIQN OF RELEASE KK 7 8 Lzl 9

Lil N A 44 N/A 10 11 80 PERSONNEL EXPOSURES NUMBER TYPE OESCRIPllON

~z ~oo o ~z N A 7 8 9 11 12 13 80 PERS'ONNEL INJURIES NUMBER OESCRIPTION

~4 ~oo o N A 7 8'9 11 12 80 PROBABLE CONSEQUENCES

~15 N A 7 8 9 80 LOSS OR OAMAGE TO FACILlTY TYPE OESCRIPTION E<K LiJ N A 7 89 10 80 PUBLICITY N/A 7 8 9 ~ 80 AOOITIONAL FACTORS See Pacre Two for continuation of Event Descri tion.

7 8 9 80 7 89 80 NAME. M. A. Scho man ,PHONE 305 552-3779 CFO SS 5

4-

'r

.%TABLE OCCURRENCE 335-76-23

'NSEE EVENT REPORT IE TWO Event Descri tion (continued) associated with the HSCP was cal'ibrated and the surveillance test was completed occurrence of satisfactorily.

this type.

This was the first (335-76-23).