ML16148A363

LER 80-015/03L-0:on 800916,valve 2LP21 Failed to Open During Performance of Engineered Safeguard Channel Test.Caused by Loose Setscrew on Motor Driven Pinion.Screw Repaired

ML16148A363
Person / Time
Site:	Oconee
Issue date:	10/16/1980
From:	Jackie Jones DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML16148A364	List: ML16148A363 ML19344B583
References
LER-80-015-03L, LER-80-15-3L, NUDOCS 8010210539
Download: ML16148A363 (2)

Text

REGULA Y INFORMATION DISTRIBUTIOSYSTEM (RIDS)

ACCESSION NBR:8010210539 DOC.DATE: 80/10/16 NOTARIZED: NO DOCKET #

FACIL:50-270 Oconee Nuclear Station, Unit 2, Duke Power Co. 05000270 AUTH.NAME AUTHOR AFFILIATION JONESJ.L. Duke Power Co.

RECIP.NAME RECIPIENT AFFILIATION Region 2, Atlanta, Office of the Director

SUBJECT:

LER 80-015/03L-0:on 800916,valve 2LP21 failed to open during performance of engineered safeguard channel test.Caused by loose setscrew on motor driven pinion.Screw repaired.

DISTRIBUTION CODE: A002S COPIES RECEIVED:LTR . ENCL iL SIZE:, ----.....

TITLE: Incident Reports NOTES:M Cunningham:all amends to FSAR & changes to Tech Specs. 05000270 AEODOrnstein:1cc.

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL ACTION: REIDR.. 04 3 3 INTERNAL:; A/D COMP&STRU06 1 1 A/D ENV TECH 07 1 1 A/D MATL & QUO8 1 1 A/D OP REACTOO9 1 1 A/D PLANT SYSIO 1 1 A/D RAD PROT 11 1 1 A/D SFTY ASSE12 1 1 A/D TECHNOLOG13 1 1 ACC EVAL BR 14 1 1 AEOD 2 2 ASLBP/J.HARD 1. 1 AUX SYS BR 15 1 1 CHEM ENG BR 16 1 1 CONT SYS BR 17 1 1 CORE PERF BR 18 1 1 D/DIRHUM FAC19 1 1 DIRENGINEERI20 1 1 DIRHUM FAC $21 1 1 DIRSYS INTEG22 1 1 EFF TR SYS BR23 1 1 EQUIP QUAL BR25 1 1 GEOSCIENCES 26 1 1 I&C.SYS BR 29 1 1 I&E 05 2 2 JORDANE./IE: 1 1 LIC GUID BR 30 1 1 LIC QUAL BR 31 1 1 MATL ENG BR 32 1 1 MECH ENG BR 33 1 1 MPA: 3 3 NRC PDR 02 1 1 OP EX EVAL BR34 3 3 OR ASSESS BR 35 1 1 POWER SYS-BR 36 1 1 S R39 1 1 REACT SYS BR 40 1 1 REIE01, 1 1 RED & RISK A 41 1 1 EVA42 1 1 STRUCT ENG 8R44 1 1 SYS INTERAC B45 1 1 EXTERNAL: ACRS 46 16 16 LPDR 03 1 1 NSIC 05 1 1 TERA:DOUG MAY 1 1

, 2 2 1980 TOTAL NUMBER OF COPIES REQUIRED: LTTR ENCL

FORM 38W FRC U. . NUCLEAR REGULATORY COMMISSIoN LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCK: (PLEASE PRINT OR TYPE ALL REQUIRED INFORMAT1ONI .

7 o 1N E E 12 k'D 0 101-100100 01o01-100 I(5')1411,1(l 1Q0 (

0 9 UCENSEa CO0 18 t4 " UCENSa NUMBER 25 2 UCENUs TYPE so 57 CAT so CONrr EIJ L4L+/-.X (0 15 101 010121 71 OJ0IO 1 91 116J8 0i)I 60 GI 10 111 618 1010 OCCKET NUMBER sS 69 EVENT DATE 74 7 REPORT DATM 8o EVENT OESCRIPTION ANO PROBABLE CONSEQUENCES 10 o 2 On September 16, 1980, valve 2LP2Yfailed to .open during performance of the ES 0 -3 [channel test. The valve was manually opened and declared inoperable. The o problem was corrected and the .valve declared operable within 9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br />, well o= [-within the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> limit of Technical Specification 3.3.2.1d(2). Thus, this 0 incident was of no significance with regard to safe operation, and the health

[and safety of the public were not affected.

7 090 SYTTEM CAUSE CAUS Ecamp. VALVs CCO

@1 COod SUBCCOS COMWPOENT CODE SG0COOa 0 I [V !A I L VI 10 9J© SUCCOCa LOi 12 to 812 19 20 SOUVATIAL OCCURRENCE REPORT ReViSIon.

LgRfllO 1"T1ARRVPOqRT ACI UTURE LL-8 f0'2 EFFECT WF-SI4UTDCVwN 24~IS NO.

27 coca 2L 29 ArrAC,4#NT NPRO-d

-rypg pNo.

L02 TAKEN ACTION PRIME Comp. COMPONENT ON KIANIT PJETHOO NOR JSUBMITTED FOR M %us.

EJi IW0 I 1ol00r ~ LI Je~J _0 SIJPPUEA LII MAtdUPFCUen I L'j2 010 f 3 4a s31 44 41 42 43 hA47 CAUSE DESCRIPTION ANO CORRECflVE ACTIONS 1 The failure was caused by a loose setscrew on a motor-driven pinion. VibrationJ 1M Iwould be the most probable reason for the screw.coming out. The loose screw was repaired and the valve returned to service. Operability of the valve was IIveri fied.

7 I9D PACIUTY STATUS PotR OTHE STATUS (1) METI00O)

II I LE~LU L..LLQ@

L1@ Of 0 n2 I NANAB DISCOVERY LJ DISCOVY OCRIPTON Engineered Safeguard Channel Testingi 7 9 O12 13 4494 ACTIVITY CONTENT 80 IIEASE0 OF RELEAS AMOUNT OP ACTIVITY C O 7

D LzJ@ Ill 80 to it NA NA PERSONNEL EXPOSUREs NUMBER TYPE DESCRIPTION II0I lololo 1z J&@ NA 7 8 9 11 PERSONNEL INJURIES 12 13 NUMBER .~~~ ~~

DESCRIPTION J L J ne DISCOVERY~r PO f7OV 4A 3ESC 3I81ON 7

[TL]J o IofLf NA B1 7 a 9 11 12 EnierdSfgar hne0etn LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION N~ NA 7 8 9 10 rULICITY Co 20 0O~ptpo NA III C!USEIIriI I 10 t O 69 S 8 0 010 53'