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

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.NDC DISTI'IIOUTION FoII P" T 50 DOCKET MATEnlAL INCIDI'.WT REPOIIT

ro: M.C. Moeeley FRolvl: Fl ord i a Power :8i Light Co .. OATC OF OOCVMCNT I

Miami , Fl ord1 a 6-14-76 A. D . Schmidt DATE RECEIVED 7-8-76 IQLRTTEA QNOTORIZEO PROP INPUT FOAM NVMOEA OF COPIES ACCEIVEO I OOAIGINAI g VNCLASSIFIEO CFCOPV I DESCRIPTION ENCLOSVAE Ltr.'rans the following.......'. 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 9 DQ NOT pZMO g j St. Luci e '0 1 NOTE e IP PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J COLLINS SAPETY FOR ACTION/INFORMATION ENVIRO BRANCH, CHIEF:

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O. BOX 013100, MIAMI, FLORIDA 33101 BgUIIrp FLORIDA POWER 5 LIGHT COMPANY June 24, 1976 PRN-LI-76-159 IO 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 CONTROL BLOCK: [PLEASE PRINT ALL REQUIRED INFORMATION3 UCEN SEE UCENSE EVENT NAME

~O'l

.7 89 F LSLS l 0 0000 UCENSE NUMBEA 0 0 4 1 TYPE 1 1 ~03 TYPE

~

14 15 25 26 30 31 32

[OD1]CONT 7 8

. CATEGORY 57 58 REPORT TYPE

~L 59 REPORT SOURCE

~L 60 61 050 OOCKET NUMBER 033 50524766246 68 69 EVENT OATE 74 75 REPORT OATE 80 EVENT OESCRIPTION surveillance test. on the hot shutdown control 7 8 9

[ODg 7 8 9 anel HSCP it was found that the cold le tern erature indication for 80 80

~o4 reactor coolant loo lAl was not correct. Indicated tern erature at the 7 8 9 80 Q~g HSCP was 555 de rees F while the correct readin as indicated in the 7 8 9 80 foal) s The tern erature instrumentation 7 8 9 80 SYSTEM CAUSE 7

@~77 8 9 CDOE

~IF 10 COBE

~A 11 12 I

COMPONENT COOE N 5 T R 0 17 A S l 8 5 47 N

CAUSE OESCRIPTION

~08 This occurrence was caused b the HSCP reactor coolant tern erature 7 8 9 80 QOg indication bein out of calibration. No defective com onents were found.

7 8 9 80

~10 7 89 FACUTY METHOO OF STATUS  % POWER OTHER STATUS OISCOVERY OISCOVERY OESCAIPTION

@~g 7 8 9 B ~05 0 N/A N/A 10 12 13 44 45 46 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE

~z z N A N/A 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE OESCRIPTION Q~~7 ~00 o ~z 7 8 9 11 12 13 80 PERSONNEL INJURIES NUMBER OESCAIPTION

@~47 ~o.o o N/A 7 8 9 11 12 80 PROBABLE CONSEQUENCES Q~g N A

.7 89 80 LOSS OR OAMAGE TO FACIUTY TYPE OESCAIPTION

~z N A 7 89 10 80 PUBLICITY N/A 7 8 9 ~ 80 AOOITIONAL FACTORS'ee Pa e Two for continuation of Event Descri tion.

7 8 9 80 7 89 80 NAMEI M. A. Scho man PHONE 305 552-3779

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).