05000272/LER-1981-042, Forwards LER 81-042/03L-0

Forwards LER 81-042/03L-0

ML18086A581
Person / Time
Site:	Salem
Issue date:	05/22/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A582	List: 05000272/LER-1981-042, Forwards LER 81-042/03L-0 05000272/LER-1981-042-03, /03L-0:on 810426,Action Statement 3.3.1.1 Was Entered for Pressurize Level Channel 3 Being Inoperable. Channel 3 Was 6% High Relative to Channels 1 & 2.Caused by Packing Leak on Valve 1PS8.Valve Was Repacked
References
NUDOCS 8106020291
Download: ML18086A581 (3)

LER-1981-042, Forwards LER 81-042/03L-0

Event date:
Report date:
2721981042R00 - NRC Website

text

-f.

Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 Mr. Boyce H. Grier Director of USNRC May 22, 1981 Office of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-42/03L

.*6\\_0-.

11£CEIVE0 Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-42/03L.

This report is required within thirty (30) days of the occurrence.

Sincerely yours,

/4£1~1 f R. A. Uderitz General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies) 95-2001 :350'*!*.) 80 1

Report Number:

Rsport Date:

Occurrence Date:

Facility:

81-42/03L May 22, 1981 4/26/81 Salem Generating Station, Unit 1 Public Ser.vice Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Reactor Trip System Instrumentation -

No. 11 Pressurizer Level Channel 3 Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 2 -

Rx Power 0% -

Unit Load 0 MW DESCRIPTION OF OCCURRENCE:

At 1300 hours0.015 days <br />0.361 hours <br />0.00215 weeks <br />4.9465e-4 months <br /> on April 26, 1981, Action Statement 3.3.1.1 was entered because the Pressurizer Level Channel 3 was inoperable.

A Channel Check indicated that Channel 3 was 6% high relative to Channels 1 and 2.

The bistable. relay was tripped at this time IAW Action 7.

This occurrence constituted operation in a degraded mode IAW Technical Specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure -

Valve 1PS8 packing leak caused decreased pressure to the Pressurizer Level Channel 3 Transmitter.

ANALYSIS OF OCCURRENCE:

Action Statement 3.3.1.1, Action 7, requires that with the number of operable channels one less than th.e total number of channels, startup and/or power operation may proceed until performance of the next required channel functional test provided the inoperable channel is placed in the tripped condition within one hour.

CORRECTIVE ACTION~

Valve 1PS8 was repacked and tested satisfactorily.

The Pressurizer Level Channel 3 instrument loop was then reset and tested satisfactorily.

Action Statement 3.3.1.1 was terminated at 2332 hours0.027 days <br />0.648 hours <br />0.00386 weeks <br />8.87326e-4 months <br /> on April 26, 1981.

FAILURE DATA:

Valve lPSB -

Rockwell Manufacturing Company -

Type 3625 Prepared By J. J. Espey SORC Meeting No.

81-39

9. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CON'.RQL BLOCK: I J_J 0

~

1 6

(PLEASE PAINT OR.Ty**;: ALL REQUIRED INFORMATION)

[il!J IN I J I s I GI s I i 101 0 I 0 I - I 0 I 0 I 0 I 0 I 0 I - I 0 I 0 1014 7

8. 9 L.ICENSEE CODE 14 15 LICENSE NUMBER 25 26 I i I i I i I i 101 I I G)

L.ICENSE TYPE JO 57 CAT 58 CON'T ITI!J 7

8

~~~~ LJJ©I ol sl olo I ol 21112(?:)10 14 12 16 Is 11 K!)IO IS 1212 I BI 110 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE BO EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

~

I At 1300 hours0.015 days <br />0.361 hours <br />0.00215 weeks <br />4.9465e-4 months <br /> on April 26, 1981, Action Statement 3.3.1.1 was entered for

())1] I Pressurize Level, Channel 3, being inoperable.

Channel check showed Channel 3 to

((El I:Q:TIJ

[))))

[ill]

be 6% high relative to Channels 1 and 2.

The bistable was tripped at this time IAW Action 7.

rnil 7

8 9 BO filil 7

8 SYSTEI\\~

CODE I II A!@

9 10 r.::-..

LER RO LVENTYE.llR I..:..:/ REPOl'IT I 8 11 I NUMBEP 21 22 CA\\.!SE

CAUSE

CODE SUBCODE COMPONENT CODE w@ L!.J@ I VI Ai LI VJ El x1@

11 12 13 18 SEQUENTIAL OCCURRENCE REPORT NO.

CODE I I Io 14 J2 I 1......-1 I o I 3 I 23 24 26 27 28 29 COMP.

SUB CODE L!J@)

19 REPORT TYPE

~

30 VALVE SUBCODE L!J@

20 1=J 31 ACTION FUTURE EFFECT SHUTDOWN t:;:::...ATTACHMENT NPRD-4 PRIME C.OMP.

SUPPL.I ER REVIS1Qr,,

NC.

~

3:2 COMPONENT MANUFACTURER TAKE'~

ACTION ON PL.ANT METHOD HOURS ~ SUBMITTED FORM ~UB.

W@W@ W@ W I ofo I 01 of l!J@ W 33 34 3f>

36 37 40

• 2 L!!J@

IR I 3 j 4 I 0 I@

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

• 3

"'4 4'/

(([£] I Valve 1PS8 packing leak caused decreased pressure to the Pressurizer Level, Channel 3, transmitter.

Valve 1PS8 was repacked and tested satisfactorily.

Action Statement 3.3.1.1 was terminated at 2332 hours0.027 days <br />0.648 hours <br />0.00386 weeks <br />8.87326e-4 months <br /> on April 26, 1981.

[))!]

7 B

9 FACIL.ITY

'iD' STATUS

%POWER OTHERSTATUS ~

I2TIJ ~@ I 0 I 0 I 0 l@I N/A 7

8 9

10 12 11 ___

ACTIVITY CONTENT

/:::\\.

RELEASED OF RELEASE AMOUNT OF ACTIVITY Elil Ll.J W@I N/A 7

B 9

10 11 BO METHOD OF DISCOVERY DESCRIPTION DISCOVERY I ~@! Operator Observation 45 46 BO I

LOCATION OF RELEASE @

N/A 45 80 PERSONNEL EXPOSURES t:;::-.,

NUMBER

~TYPE

DESCRIPTION

EIIl I 0 f 0 I 0 l~L_!.1@..__ __

,::.Ni:..:.A.:.__.....;.... _________________ __,

7 B

9 11 12 13

• 80 PERSONNEL INJURIES I::\\

NUMBER DESCRIPTION~

EJI] I of of ol@)L-----~N~A~-----------------------'

7 B

9 11 12 BO LOSS OF OR DAMAGE TO FACILITY '4j\\

TYPE

DESCRIPTION

. ~

IITIJ L!J@)~~-~-----~N~A"--------~-~---~~~--------------------~

7 8

9 10 80 PUBLICITY NRC USE ONLY r.;-i-::i 1r~Ert,;:;\\,DESCRIPTION 45 8 1 0 6 0 2.0 ;,'I tJ '1t.

1.!.J...!!J ~~--------..;;N=/..;;,;A;..._ ________

f ________ I I I II II I I' II I I I!

7 B

9 10 68 69 NAMEOFPREPARER~--~-J-*~J_.~E_s_p_e_y

__ ~-~-~--

80 ;

0 a.

Cl PHONE:--6_0_9_-_9.;..3_5-_0_9_9_8 ___