ML18081A796

LER 79-069/03L-0:on 791121,during Refueling Operations & Containment Purge,Radiation Monitors Observed to Be Inoperable.Caused by Circuit Overload Tripping Air Participate Detector Breaker

ML18081A796
Person / Time
Site:	Salem
Issue date:	12/20/1979
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18081A795	List: ML18081A794 ML18081A796
References
LER-79-069-03L, LER-79-69-3L, NUDOCS 7912270591
Download: ML18081A796 (1)

Text

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U.S. NUCLEAR REGULA1UHY COMMISSION (7-77)

LICENSEE EVENT REPORT CONTROL BLOCK: (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI

~ IN IJ  ! s I GI s I 1 101:s 0 I 0 I - I 0 I 0 I 0 I 0 I 0 I - I 0 I 0 1014 11111111101 I sa10 7 B 9 LICENSEE CODE 14 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT CON'T ITEJ 7 B

~~~ L1J© I o I s I 60 61 oI o I o I 2 I 7 I 2 101 1 11 I 2 11 I 7 I9 I© I 1 I2 I 2 Ia I 7 I DOCKET NUMBER 68 69 EVE'<T DATE 74 75 REPORT DATE 9

30 IG)

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@)

I During refueling operations, while conducting a containment purge, the radiation

[£]}]!monitors were observed to be inoperable. The purge was terminated and T/S Action

~ I Statements for 3.3.3.1 and 3.9.9 were implemented. The air particulate detector

~ I (APD) motor breaker was found tripped. The breaker was reset and the APD tested

[QJ]J I satisfactorily. The purge valves remained closed throughout this occurrence. This I

[£J2J I is the second occurrence of this type (79-38).

[£liJ 7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUB CODE COMPONENT CODE SUBCODE SUBCODE I SID I@ @J@ w@ I z I ZI z z I z IZ I@ ~@ ~@)

9 10 11 12 lJ 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION C\ LE.'I RO c~VENTYE,t..R REPORT NO. CODE TYPE /\JC.

\:..:_; REPOP.T NUMBER I7 I 9I 21 22 L=.l 23 Io I 6 I 9 I 24 26 I/I 27 I oI 28 3I 29 LkJ 30 l=l 31 w

32 ACTION FUTURE EFFECT SHUTDOWN ~ ATTACHMENT NPRD-4 PRIME COMP. COMPONE'H TAKEN ACTION ON PLANT METHOD HOURS SUBMITTED FORM O>UB. SUPPLIER MANUF,l.CTURER iLJ@l.Ll@

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.:7 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

[J))J JA convenience outlet in the APD cabinet wired into the instrument bus was being used

[III] jto power a heat gun. This overloaded and tripped the supply breaker. The outlet was

[I]}] 1a manufacturer's installation and has been removed from the APD cabinet.

o:TIJ 7 8 9 BO FACILITY METHOD OF STATUS  % POWER OTHER ST.ATUS DISCOVERY DISCOVERY DESCRIPTION @

DTI LBJ@ Io lo Io l@l......_ _N_._/_A_ ___. WI Operator Observation of Alarm 7 8 9 10 12 11 44 45 46 80 ACTIVITY CONTENT Q\

RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE @

DJTI 1£.J @ LlJ@I 7 8 9 10 11 N /A 44 45 NL'.A so PERSONNEL EXPOSURES Q-,.

NUt..'BER (.'.;"'.;\TYPE DESCRIPTION CiID I 0 I 0 I 0 l0W@....____N_~/,__A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___,

7 8 9 11 12 13 30 PERSONNEL INJURIES (';";\

NUMBER DESCRIPTION~

[QI]8 I9 0 I 0 I 011I@ N A

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~12---------=-=-'-=-=-------------------------------------------------------------8 ......

0 LOSS QF OR DAMAGE TO FACILITY 14]\ ~ i.'fbi~n ~ "'), a:*,.

DESCRIPTlm~ ~ ~ttil 9

TYPE ti ill1 .@I v; Em8 9W@I N/A

~10-------------------:.;"'-';.;;_-------------------------------------------.-:!1111&--...ll-~-------150 PUBLICITY D.

• NRC USE ONLY ISSUEDQ DESCRIPTION~

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