05000272/LER-1979-001-03, /03L-0 on 790102:during Normal Operation,The No 12 Containment Fan Coil Unit Shifted to Slow Speed,But No Indication of Svc Water Flow Was Noted.Caused by Burned Out Coil in Solenoid SV-624,supplying Control Air for 12SW223

/03L-0 on 790102:during Normal Operation,The No 12 Containment Fan Coil Unit Shifted to Slow Speed,But No Indication of Svc Water Flow Was Noted.Caused by Burned Out Coil in Solenoid SV-624,supplying Control Air for 12SW223

ML18078A698
Person / Time
Site:	Salem
Issue date:	01/18/1979
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18078A697	List: 05000272/LER-1979-001-03, /03L-0 on 790102:during Normal Operation,The No 12 Containment Fan Coil Unit Shifted to Slow Speed,But No Indication of Svc Water Flow Was Noted.Caused by Burned Out Coil in Solenoid SV-624,supplying Control Air for 12SW223
References
LER-79-001-03L, LER-79-1-3L, NUDOCS 7901240130
Download: ML18078A698 (1)

LER-1979-001, /03L-0 on 790102:during Normal Operation,The No 12 Containment Fan Coil Unit Shifted to Slow Speed,But No Indication of Svc Water Flow Was Noted.Caused by Burned Out Coil in Solenoid SV-624,supplying Control Air for 12SW223

Event date:
Report date:
2721979001R03 - NRC Website

text

NRC FORM366

. f7.r-n-U.S. NUCLEAR REGULATURY COMMISSION

• 9-tCENSEE EVENT REPORT

.CONTROL BLOCK: I. I

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

• [ilTI IN !J I s I G Is I 1 l@l o I o I -1 o Io I o I o I o I -1 o l o l(Dl 4 11*1111 I 1 l©I I I© 1

8 9

LICENSEE CODE 14 15 LICENSE NUMBER 25 26 L.ICENSE TYPE JO 57 CAT 58 CON'T I o I, I 7

8

~~~~ LJJ©I o I s I o I o I o I 2 l 7 I 2 (Dia 11 I o I 2 I 7 I 9 I© I o 11 I 1 I a I 7 I 9 I@

60 61 DOCKET NUMBER 68 69 EVENT CATE 74

• 75 REPORT CATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES @

lo I 2 I I During normal operations, No. 12 Containment Fan Coil -Unit (CFCU) was shifted to slow speed.

The control operator noticed no indication of

([:8J I service water flow.. The CFCU was declared inoperable and the action

(]JIJ I statement for T/S 3.6.2.3 was implemented.

The CFCU was repaired and [QJ!J. I returned to service within 23 hours2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br />.

All other CFCU' s were operable

~

I during this time.

This is the second occurrence of this type. (78-85)

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7 8

SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCOCE COMPONENT coce SUBCOCE SU8COOE Isle!@ w@ w@ lvlAILIVIOIPI@ w@ Ll.J@

9 10 11 12 13 18 19 20 t::::\\

LE R/RO LVENT YEAR v..:,; REPORT I 7 I 9 I NUMBER 21

• :z2 SEQUENTIAL OCCURRENCE REPORT REPORT NO.

CODE TYPE I I I o Io 11 I I /I I o I 3 I L1J l=1 23 24 26 27 28 29 30 31 REVISION NC.

L.aJ 32 ACTION FUTURE EFFECT SHUTDOWN t:::i\\

ATTACHMENT NPR~

PRIME COMP.

TAKEN ACTION ON Pl.ANT METHOD HOURS ~ SUBMITTED FORM sue.

SUPPLIER.

COMPONENT MANUFACTURER

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. CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @

44 47

.IJJI] I The cause was a burned out coil in solenoid yalye SV-624 which supplies!

1JID control air for 12SW223, the service water flow control yalye for IIlil No.. 12 CFCU.

The burned out coil was replaced and SP(0)4.6.2.3A was o::::rlJ I performed to confirm operability.

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FACILITY ljQ\\

STATUS

% POWER OTHER STATUS ~

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9 10 12 1'l 44 ACTIVITY CONTENT t::::-.

RELEASED OF RELEASE AMOUNT OF ACTIVITY EE W@ W@I N/A I

7 8

9 10 11 44 METHOD OF

~

DISCOVERY DISCOVERY DESCRIPTION ~

L.aj~I Operator Observation 45 46 LOCATION OF RELEASE N/A PERSONNEL EXPOSURES f.::\\

80 80 80 NUMBER

(.;'::\\TYPE/.::\\ DESCRIPTION ITTIJ 1 o Io I o leiW~---N

...... /_A _____________________

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7 B

9 11

. 12 13 PERSONNEL. INJURIES I:':\\

NUMBER DESCRIPTION~

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7 B

9 11

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LOSS OF OR DAMAGE TO FACILITY~

TYPE

DESCRIPTION

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NA 7

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