ML20028G063

LER 83-001/03L-0:on 830110,pressurizer Code Relief Valve Setpoint Averaged Above Tech Spec Limit During Setpoint Testing.Cause Unknown.Spring Compression Adjusted on Test Stand.Valve Retested & Acceptable Results Obtained

ML20028G063
Person / Time
Site:	Arkansas Nuclear
Issue date:	01/26/1983
From:	Rogers P ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20028G061	List: ML20028G060 ML20028G063
References
LER-83-001-03L, LER-83-1-3L, NUDOCS 8302070363
Download: ML20028G063 (1)

Text

o e

e' NRC FORM 366

• U.S. NUCLEAR REGULATORY COMMISSION (7-77)

LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCK:

IT ill 1_ _ _l_i_l_l 1 l l l 6

(PLEASE PRINT OR TYPE ALL REQ'J1REO INFORMA110N) 11l R l A 1 N I O l_1 12 15- 10 1~0 l - l 0ETCEN5ETOM'TR 1 0 l 0 l 0B 1 0 1, 1 4 1 1 l 1 1 1 l 1 14 l l l5

~ _l 0 1~0 l3 '25 2F [TCERIE TYPE 70

~ ~

7 8 9 ETCETN!EE C05E- 14 ST' EAT 38 10 REPORT l t 16 10 5 01010t311 3 l7 1 0 1 1 l 1 1 0 l~8 l 3 l8 101112 l 6 I 81319 7-~ l _1._ 8 l SOURCE 6 F 6T~l~1 D7iCEET HiiRetT -]78 6 F ~IVERT 54TE ~ 74 75- ~REEMT UXII 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 10 11111 10n 1/10/83 while in the rtfuelinq outage, ANO was notified by Wyle lahoratories that the setpoint of l l1111 lpressurizer code relief valve PSV-1001 averaged 2470 PSIG during setpoint testing. The Technical l l1lTl ISpecification limit is 2475 PSIG (2500 PSIG 11%). Thi_t occurrence is reportable per Technical Specification l l1lTI 16.12.3.2.b. Another occurrence regarding ANO-1 pressur 'rer code relief valves was reported in LER-79-011. I 11lT._ l

_ I l ITill l l 111118 7 9 1 I 80 SYSTEM CAUSE CAUSE COMP VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE ITITI l_C I B lli l E 112 l X 113 lVlAl L l ~V l E i X l14 l F l15 l B 116 7 ~-8 9 A0 IF IF 1F 78 IF 2F

_ SEQUENTIAL OCCURRENCE REPORT REVISION LER/R0 l EVENT YEAR REPORT NO. CODE TYPE NO 17 REPORT l l8 3l l---l l0l0l 1l l/ l013l lL l---! l0 NUM8ER l_2 F l~~22 2T"~ 2 F - ' 26 2T~l 2F - 29 3Fl 3F 3Fl ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS SUBMITTED FORM SUB SUPPLIER MANUFACTURER I E 118 lZ IZ l Z l 21 1010 0 1 0 l22 1 N 123 i Y 124 lN l0 2 1 4 1 5 126 3F 3 F l19 35'~l20 3F 3 F - l- - ~~40 4F 4F 4 F l25 4Fl~- 77 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 l1l1l lThe cause of the occurrence is unknown. Sprinq compression was adjusted on the test stand. The valve was l l111l Iretested and acceptable results were obtained.

I l_T__ill l l lT._lll

_ l I 111118 7 9 l  !

80 FACILITY METH00 0F STATUS  % PCWER OTHER STATUS .. DISCOVERY DISCOVERY DESCRIPTION lT ITl l Hi 10l i NA 13d' l B l31 l Surveillance Testinq l32 9 _l28 15 1 l~0 129 7 ~~8 I2 13 44 45 - 46 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 11l_TI8 l_Z_l33 l Z l34 i NA l35 l NA 136 7 9 1F 11 44 45 60 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION lT 10 l 010137 l Z 138 l NA 7-l118 9- 71 IF 13 80 139 PERSONNEL INJURIES NUMBER DESCRIPTION l 0_l 0 1 0 140 l NA lT I-8 7'~ TI 9_ "- 71 12 LOSS OF OR DAMAGE TO FACILITY 80 141 TYPE DESCRIPTION 11111 l_.l._l 42 l NA 143 PUBLICITY 8302070363 830126 ISSUED DESCRIPTION PDR ADOCK 05000313 S NRC USE CNLY 11111 l_N,,l44 l NA PDR l45 l 1 1 1_I_i_i_I_l l l 7 8 9 10 68 63 _ 1 lE0 haHE OF PREPARER _ Patrick Roqars PHONE: (501) % 4-3100 s - _ _ .