ML112410898

LER 81-008/03L-0:on 810212,during Preventive Maint, Recirculation Pump B Tripped Upon Restart,Recirculation Pump Motor Hi/Lo Oil Level Alarm Activated & Would Not Clear.Caused by Lack of Oil in Recirculation Pump Motor B

ML112410898
Person / Time
Site:	Duane Arnold
Issue date:	03/11/1981
From:	Rager M IES Utilities, (Formerly Iowa Electric Light & Power Co)
To:	NRC/OI/RGN-III/FO
Shared Package
ML112410899	List: ML112410898 ML19347D358
References
LER-81-008-03L, LER-81-8-3L, NUDOCS 8103170480
Download: ML112410898 (3)

Text

lW REGULA RY INFORMATION DISTRIBUTIC SYSTEM (RIDS)

ACCESSION NBR:8103170480. DOC.DATE: 81/03/11 NOkARIZED: NO, DOCKET #

FACIL 50-331 Duane Arnold tnergy Center, Iowa Electric Light & Pow 05000331 AUTHNAME AUTHORAFFILIATION RAGERM.S. Iowa-Electric Light & Power Co, RECIP.NAME RECIPIENT AFFILIATION Region 3, Chicago, Office of the Director

SUBJECT:

LER 81u008/03LmO:on 810212pduring preventive maintp recirculatio pumppb tripped upon restarterecitrculation pumpmotor hi/lo oil level alarm.activated & would not, clearCaused oy lack of oil in recirculation pump motor B, DISTRIBUTION CODE: A002S COPIES RECEIVED:LTR -ENCL .A" SZr"Lm TITLE: Incident Reports NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME' LTTR ENCL ID CODE/NAME LTTR;ENCL ACTION: IPPOLITOT. 04 3 3 INTERNAL: A/D COMP&STRU061 1 A/D ENV TECH 07 1 1 A/D MATL & QU08 1I A/D OP REACT009 1 A/D PLANT SYS1O 1 A/D RAD PROT 11 1 1 1 A/D SFTY ASSE12 1 ACC EVAL BR 14 1 AEOD 3 ASLBP/JiHARD 1 AUX SYS BR 15i 1 CHEM ENG BR 16, 1 CONT SYS'BR 17 1 CORE1PERF BR 18 1 DIRENGINEERI20. 1 DIRHUM FAC 821 1 1 DIRSYS INTEG221 1 EFF TR SYS.BR23 1 EQUIP QUAL BR25 1 GEOSCIENCES 26' 1 I I&C SYS BR 29 1 I&E 05 2 JORDANE,/IE 1 LIC GUID BR 30 1 MATL ENG BRI 32r 1 MECH ENG BR 33 1 1 MPA 3 NRC PDR 02 1 .1 OP EX EVAL BR34 3 ORASSESS BR 35; 1 1 POWER SYS BR 36 1 R +/-.SESS 8R39 1 1 REACT SYS BR 40, 1 01 1 REL & RISK A 41 1 ST ROG EVA42 1 1 STRUCT ENG BR44 1 SYS INTERAC 845 1 1 EXTERNALI ACRS 46 16 16 LPDR 03 1 1 NSIC 05i 1 WAR 18 1981 TOTAL NUMBER OF COPIES REQUIRED: LTTR 66 ENCL 66

Iowa Electric Light and Power Company March 11, 1981 DAEC-81-143 Mr. James G. Keppler, Director Office of Inspection and Enforcement r' U.S. UWUM00 U. S. Nuclear Regulatory Commission - Region III .

799 Roosevelt Road ,

Glen Ellyn, IL 60137

Subject:

Licensee Event Report No.81-008 (30 day)

File: A-118a

Dear Mr. Keppler:

In accordance with Appendix A to Operating License DPR-49, Technical Specifications and Bases for Duane Arnold Energy Center and Regulatory Guide 10.1, please find attached a copy of the subject Licensee Event Report. (Total of.3 copies transmitted).

Very truly yours, Daniel L. Mineck Chief Engineer Duane Arnold Energy Center Docket 50-331 attachment DLM/MSR/pl cc: Director, Office of Inspection and Enforcement (30)

U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Director, Management Information and Program Control (3)

U. S. Nuclear Regulatory Commission Washington, D. C. 20555 U. S. Nuclear Regulatory Commission c/o Document Management Branch Washington, D. C. 20555 NRC Resident Inspector - DAEC MAR Duae Arnoid Energy Center

• P0. Box 351

• Cedar Rapids, Iowa 52406

• 319/851-5611

NRC FORM 3 L EPU. S.NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT

,CONTROL BLOCK: (PLEASE PRINT OR TY!d ALL REQUIRED INFORMATION) r077 8

lIIA 9

10( A LICENSEE IC CODE 11 IQ 00-14 Is o 10101 0101 0 1- 101.0 LICENSE NUMBER 25 25 41111T111 LICENSE TYPE JO 57 58 CON'T

____ REPORT III 50I 03 1iT~ ?I -II SI 3 ii 11~

SOURCE (0 15 0 0 031 31 10 i I 1 1 0 31 1118 11 1 60 61 00CKEY NUMBER 68 69 EVENT DATE 7D REPOT DATE d0 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES On 2-14-81 the plant was shutdown in accordance the LCO requirements of ro=3 Tech, Spec. 3.6.F.2. The shutdown was required as a result of the B reci 0 4 Irc pump being removed from service. During prevent, maint. on 2-12-81 th 7s1[P R rpcirc M-G set tripped, Upon restart the recirc pump motor "Hi/Lo Oi

[11 Jvel ) alarm .. ctivated and would not clear. The pump was subsequently

]7 [shutdown. T.S. 3.6.F.2 allows operation for 24 hrs. with one recirc pump 8 inop with reactor S/D required within the subsequent 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Repetitive.

7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE.

CODE CODE SUSCODE COMPONENT CODE SUSCOOE SUSCOOS 7

0E 8 9 aJOl10 1t

__ 12 lze IM10 13 TI 0 RI XO Lia 18 Z D 19 . 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER/RO (i)REPORT R

EVENT YEAR

~j I-- 1 i REPORT Nb.

1111

[ 01( 01l 826 t~

1[,-* [O2~.J29 CODE 13 L.

TYPe

[_LL]...O 30 31 32 2

NO.

NUMBuE 22 23 24 27 28 N2l ACTION FUTURE EFFECT SHUTOOWN ATTACHMENT NPRO-4 PRIMECOmP. COMPONENT TAKEN ACTION ON PLANT METHOO HOURS 22 SUsMITTED FORM SUS. SUPPLIER MANUFACTUAER UKJ 33.

[.Z..J@

34 LL@.

35 I1 ( 0 01 11 O 61 IN ( lj_

1j( s) G j0 18 10 (i 36 3 40 41 42 43 4447 CAUSE 0ESCRIPTION AND CORRECTIVE ACTIONS SlOil was added to the B recirc pump motor and the oil level alarm cleared I Plant startup was initiated at 1535 hours0.0178 days <br />0.426 hours <br />0.00254 weeks <br />5.840675e-4 months <br /> on 2-14-81. No signs of oil 12 [leakage were noted by Maintenance personnel. The pump motor is a General 13 T Electric 3400 HP motor. model 5K6357XG6A. During the 1981 refuel outage .

T I Ithpoil level-in both motors will be checked per normal outage maint.

, 8 3 -80 FACILITY METHOD OF STATUS  % POWER OTHER STATUS 0 DISCOVERY DISCOVERY DESCRIPTION i2 I EL@ 101 9 I 7I NA IA l(I Operator Observation 7 8 9 to 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASS EI Lz ] 91ZaI 7 8 9 o 11 NA NA PERSONNEL EXPOSURES 44 ao NUMAER TYPE DESCRIPTION NA 7 0101 O(l ZOI NA

7. 8 9 1 12 13 PERSONNEL INJURIES so NUMBER DESCR!PTION 41 7 8 E IOolo1 9 II 1 .0 NA LOSS OF OR DAMAGE TO FACILITY 4D TYPE DESCRIPTION 7

T1Lzl7 8 9 I

10 NA PUBLICITY 80 ISSUED DESCRIPTION NRC USE ONLY FE M ...-0 1 NA I l I lII i Ij a 9 10 66 69 so.

NAME OF PREPARE Matthew S. Rager P 319-851-5611 8