05000316/LER-1980-024-03, Alarm Indicated Auxiliary Feedwater Pump Tripped in Nonrunning Auto Standby Position. Caused by Turbine Control Linkage Unlatching from Trip & Throttle Valve,Possibly Due to Lumber on Trip Linkage

Alarm Indicated Auxiliary Feedwater Pump Tripped in Nonrunning Auto Standby Position. Caused by Turbine Control Linkage Unlatching from Trip & Throttle Valve,Possibly Due to Lumber on Trip Linkage

ML17319A735
Person / Time
Site:	Cook
Issue date:	02/26/1981
From:	Keith R INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17319A736	List: 05000316/LER-1980-024-03, Alarm Indicated Auxiliary Feedwater Pump Tripped in Nonrunning Auto Standby Position. Caused by Turbine Control Linkage Unlatching from Trip & Throttle Valve,Possibly Due to Lumber on Trip Linkage
References
LER-80-024-03X, LER-80-24-3X, NUDOCS 8103050628
Download: ML17319A735 (7)

LER-1980-024, Alarm Indicated Auxiliary Feedwater Pump Tripped in Nonrunning Auto Standby Position. Caused by Turbine Control Linkage Unlatching from Trip & Throttle Valve,Possibly Due to Lumber on Trip Linkage

Event date:
Report date:
3161980024R03 - NRC Website

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REGULATOR NFORMATION DISTRIgJTION S

EN (RIDS)

~ ~

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ACCESSION NBR;8103050628 DOC ~ DATE': 81/02M5

NOTARIZED!" NO DOCKET< 0 FACIL:50. 316'onald C',

Coak Nuclear" PowerI Plantr Unit" 2i Indiana 8

05000316'UTH

~ NAME AUTHOR AFF ILI'ATION KEITHrR ~ S ~

Indiana 8 Michigan E>>1 ectr i c Ca, RECIP ~ NAMEI RECIPIENT AFFIL>>IATION,.

Region 3i Chicago, Office'f the Director

SUBJECT:

Updated LER 80 024/03X 1:on 800520ralarm, indicated auxiliary feedwater pump, tripped in nonr unning auto standby position, Caused by turbine" control linkage! unlatched from trip II throttle" valveipassibly duel to lumber>> on trip linkage".

DISTRIBUTION CODE>>

AOO2S COPIES'ECEIVED:LTR J 'NCL ['IZE>>

TITLE.'. Incident" Repair ts NOTES:Send 3" copies of all material to ILE'.

05000316'EC IP IENT)

ID CODE/NAMEI ACTION!'ARGAgS ~'4 INTERNAL: A/D" CONPSSTRU06'/D NATL' QU08 A/D PLANT~ SYS10 A/D SFTY'SSE>>1?'EOD AUX SYS BR 15>>

CONT'YS BR 17 DIRrDIV OF LIC" DIR'rHUM'AG S21>>

EFF TR'YS BR2'3>>

GEOSCIENCES 26 III,EI 05, LIC" GUID BR 30 MECH ENG BR 33>>

NRC PDR 0?'.

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RECIPIENT'D CODE'/NAME)

A/D~ ENV TECH 07 A/O" OP REACTO09 A/D RAD" PROT 11 ACC'VAL BR 14 AS'LBP/J'BHARD CHEM ENG BR 16'ORE'ERF BR 18 D IR'r ENGINEER I20 DIR,SYS INTEG22 EQUIP QUAL BR25 ISC SYS'R 29 JORDANr E ~/IE MATL ENG BR 32'PA OP EX EVAL BR34 POI>>IER SYS BR 36>>

REACT'YS 'BR 40 REL't RISK A 41.

STRUCT ENG BR44 COPIES LTTRI ENCL>>

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MAR 09 1981 TOTAL NUMBER OF COPIES>> REQUIRED:

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~'o morlaen lectda INDIANA& MICHIGANELECTRIC CONPANY DONALDC. COOK NUCLEAR PLANT P.O. Box 468, Bridgman, Michigan 49106 (616) 465-6901 February 27, 1981 Mr. J.G. Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Reg'ulatory Commission Region III 799.Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-74 Docket No. 50-316

Dear Mr. Keppler:

Pursuant to the requirements of the Appendix A Technical Specifications, the following report/s are submitted:

RO 80-024/03X-1.

Sincerely, D.V. Shaller Plant Manager

/bab cc:

J.E.

Dolan R.S. Hunter R.W. Jurgensen R.F. Kroeger R.W. Kilburn E.

Swanson/N.

DuBry RO:III R.C. Callen MPSC G.'harnoff, Esq.

J.M. Hennigan W. Lavallee EPRI PNSRC J.F. Stietzel E.L. Townley Dir., IE (30 copies)

Dir., MIPC (3 copies)

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NRC FORM 366 IF-77) g" CONTROL BLOCK:

,0 (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

UPDATE PPRT PREyIPUS REPPRT DATE P6/~VrgjNCLEARREGULATDRYCOMMISSIDN LICENSEE EVENT REPORT

~O 7

8 CON'T

~O 7

8 9

'ICENSEE CODE 14 15 LICENSE NUMBER RE o

~06 07 60 61 DOCKET NUMBER 68 69 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 EVENT DATE 09 74 75 REPORT DATE 80 Q3 Q4LLJ Qs 25 26 LICENSE TYPE 30 57 CAT 58

~O3 TH T THE P

Mp HAD TRIPPED.

~O4

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~OB AN 0 E SPEED TRIP HAD TAKEN PLACE.

THE OTHER Tlr(0 P OBABLE CONSE UENCES.

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8 9

80 7

8 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

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z z

z Q4

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10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LFR1RO EVENT YEAR REPORT NO.

CODE TYPE NO.

07 REPORT 21 22 23 24 26 27 28 29 30 31 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER

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33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 027 o

THE EXACT CAUSE OF THE L LINKA E 3

4 7

8 9

FACILITY STATUS

% POWER OTHER STATUS 0

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LLLI~Q29 7

8 9

10 12 13 44 ACTIVITY CONTENT RELEASED OF REI.EASE AMOUNTOF ACTIVITY EKI IZJ0 LZJ034 7

8 9

10 11 44 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

EZ LDOoo IQLzJS 7

8 9

11 12 13 PERSONNEL INJURIES CK lornaJaJ8 LOSS OF OR DAMAGETO FACILITY 43 TYPE

DESCRIPTION

9 [ZJQ42 7

8 9

10 PUBLICITY ISSUED DESCRIPTION~

~2O ~ 44 7

8 9

10 NAME OF PREPARER METHOD OF DISCOVERY

~031 45 46 45 80 LOCATION OF RELEASE Q36 80 80 80 80 PHONE:

68 69 80 NRC USE ONI.Y Na 80 o 0a SEE SUPPLE T

DISCOVERY DESCRIPTION

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SUPPLEMENT TO LER 80-024/03X-1 THE AREA AT THE TIME OF THE EVENT.

IT IS POSSIBLE THE PIECE OF LUMBER FELL FROM THE SCAFFOLD FROM VIBRATION OR ACCIDENTALLY DROPPED BUT THIS WAS NEVER CONFIRMED.

FIELD INSPECTORS AND CRAFTSMEN WERE CAUTIONED TO REMOVE ALL LOOSE MATERIAL FROM AN AREA BEFORE LEAVING.

THE TRIP AND" THROTTLE VALVE WAS RESET AND THE TURBINE DRIVEN AUXILIARYFEEDWATER PUMP WAS TESTED TO PROVE OPERABILITY.