ML18113A453

LER 1976-013-00 for St. Lucie Unit 1, During Preoperational Testing, Steam Auxiliary Feed Pump Would Not Start Properly from Hot Shutdown Control Panel

ML18113A453
Person / Time
Site:	Saint Lucie
Issue date:	05/13/1976
From:	Schmidt A Florida Power & Light Co
To:	Moseley N NRC/IE, NRC/RGN-II
References
PRN-LI-76-117 LER 1976-013-00
Download: ML18113A453 (7)

Text

NRC FoflM 195 U.S. NUCLEAR REGUI.ATORV COMMISSION DOCKET NUMOF R I2 76) 50-335 FILE NUMBER YRC DISTRIBUTION FDR PART 50 DOCICET MATERIAL" INCIDENT REPORT FROM: DATE OF DOCUMENT TO'MR "FLORIDA POWER & LIGHT COMPANY 5/13/76 MmN CD MOSELEY MIAMI'LORIDA DATE RECEIVED A, D, SCHMIDT 5/27/76 LETTER 0 NOTOR IZE D PROP INPUT FORM NUMBER OF COPIES RECEIVED 0 ORIGINAL +UN C LASS I F I E 0 JKC'Or V NONE SIGNED DESCRIPTION ENCLOSURE LTD TIUNS- THE FOLLOWING: LICENSEE. EVENT REPORT (RO 50>>'335'/76-13) ON 4/13/76 CONCERNING THE STEAM AUXILIARY FEED PUMP WHICH WOULD NOT START PROPERLY FROM THE HOT SHUTDOWN CONTROL PANEL DURING PREQP TESTING, I

(Z-P) ACKNOVlXEDGED DO NOT RZ~OVZ

.,PLANT NAME: NOTE'. IF PERSONNEL EXPOSURE IS INVOLVED ST LUCIE 81 SEND DIRECTLY TO KREGER/J. COLLINS SAFETY FOR ACTION/INFORMATION ENVIRO 5 27 76 RJL I BRANCH CHIEF: ZIEMANN I W 3 CYS FOR ACTION LIC ~ ASST: DIGGS W/ CYS I ACRS CYS HOL'DING/ ENT TO LA INTERNAL D ISTR I BUT ION E FLE

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FLORIDA POWER 5 LIGHT COiVIPANY May 13, 1976 PRN-LI-76-117 Mr. Norman C. Moseley, Director, Region II Office of Inspection and Enforcement U. S. Nuclea Regulatory Commission

'230 Peachtree Street, N. W., Suite 818 Atlanta, Georgia 30303

Dear Mr. Moseley:

REPORTABLE OCCURRENCE 335-76-13 ST. LUCIE UNIT 1 DATE OF OCCURRENCE: APRIL 13, 1976 "C" STEAi4 DRIVEN AUXILIARY FEEDWATER PUMP WIRING 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, 00CKEIED NUN A. D. Schmidt MAY3glS7 ~ g Vice President CLEAR RE<

Power Resources COIAIAI S SOLE, MAS/cpc Attachment cc: Jack R. Newman, Esquire Director, Office of Inspection and Enforcement (30)

Director, Office of Management Information and Program Control (3) 5385

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LICENSEE EVENT REPORT

. a, COATROL BLOCK: ASE PAINT ALL REQUIRED INFORMATION) 1 UCENSEE UCKNSE EVENT Qg PL s NAME Ls 1 oo 00000 0I041 LICENSE NUMBKR TYPE 11 1 ~03 TYPE

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7 89 14 15 25 26 30 31 32

~01 CONT CATEGORY REPORT.. REPORT TYPE

~L SOURCE

~L 0 5 OOCKKT NUMBER 0 0 3 3 5 . 0 4 EVENT OATK 1 3

'EPORT 7 6 0 5 1 3 OATE 7 6 7 8 57 58 59 60 61 68 69 74 75 80 I

EVENT OESCRIPTION 7

Qo 2 8 9 Durin reo erational testin , it was found that the Steam Auxiliary Feed 80 Pum would not start ro erl from the Hot Shutdown Control Panel HSCP

'7 89 I

80

~o4 The um would start. with the control switch in the "A" 'position (steam 7 89 80 su 1 from the A-header) but, because of a wiring diagram error, would 7 8 9 80 tOOI not start with the control switch in the "B" osition (steam suool from 7 89 i PRMK 80 SYSTEM CAUSE COMPONENT COMPONENT COOK COO E CQMPQNKNT COOK SUPPUER MANUFACTURER VCLATX)N

[OD7] ~HH ~B Z Z Z Z Z Z ~A z 9 9 9 ~N 7 8 9 10 11 12 17 43 47 48 CAUSE OESCRIPTION

[ggg The Steam Auxiliary Feed Pump would not start properly from the 7 8 9 80

.[oag] HSCP. Two leads in the HSCP were incorrectly terminated because 7 8 9 80 of a control wiring diagram error. To comply with the original 7 89 FACKlTY METHOO OF 80 STATUS POWER OTHER STATUS QiSCOVERY OISCOVERY OESCRIPTION

~B ~OO O N/A C 7 8 9 10 12 13 44 45 46 FORM QF N/A'OCATION ACTIVlTY CO@TENT RELEASEO QF RELEASE AMOUNT OF ACTIVITY OF R~cSK EH . L~J L~J N/A N/A 7 g 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE OESCRPTION Qg~oo 7 8 9 o

11 z

12 13

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N/A 80 PERS'ONNEL INJURIES N A 80 PRO>~LE CONSEQIJENCES

~15 N A 7 8 9 80 LOSS OR OAMAGE TO FACILlTY TYPE OESCRIPTIQN

~z N/A 7 89 10 80 PU8LICIIY 7 89 AOOITIONAL FACTORS

+18 See Pa e Two for continuation of Event Descri tion and Cause Description.

7 89 80 7 89 80 N. A. Schoppman 305/552-3779 ceo eel- eeT

REPORTABLE OCCURRENCE 335-76-13

'ICENSEE EVENT REPORT PAGE TWO EVENT DESCRIPTION (Continued) the B-header) . Corrective action was to correct the wiring.

After completion of the wiring modification, the pump was satisfactorily tested from the HSCP. This was the first occurrence of a wiring diagram error involving the HSCP.

(335.-76-13) .

CAUSE DESCRIPTION (Continued) design intent, the leads were moved to the correct contacts.

1 Followup action was, to correct the control wiring diagram.

Preoperational testing of the HSCP revealed no other wiring problems.

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