05000316/LER-1979-028-03, /03L-0:on 790810,during Daily Surveillance Tests, One of Three Lower Containment Temp Readings Was Not Recorded.Caused by Data Sheet Which Did Not Specify That Three Readings Are Required.Data Sheets Revised

/03L-0:on 790810,during Daily Surveillance Tests, One of Three Lower Containment Temp Readings Was Not Recorded.Caused by Data Sheet Which Did Not Specify That Three Readings Are Required.Data Sheets Revised

ML17326A241
Person / Time
Site:	Cook
Issue date:	08/29/1979
From:	Murphy C INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B519	List: 05000316/LER-1979-028, Forwards LER 79-028/03L-0 05000316/LER-1979-028-03, /03L-0:on 790810,during Daily Surveillance Tests, One of Three Lower Containment Temp Readings Was Not Recorded.Caused by Data Sheet Which Did Not Specify That Three Readings Are Required.Data Sheets Revised
References
LER-79-028-03L-01, LER-79-28-3L-1, NUDOCS 7909050448
Download: ML17326A241 (4)

LER-1979-028, /03L-0:on 790810,during Daily Surveillance Tests, One of Three Lower Containment Temp Readings Was Not Recorded.Caused by Data Sheet Which Did Not Specify That Three Readings Are Required.Data Sheets Revised

Event date:
Report date:
3161979028R03 - NRC Website

text

NRC FORM 366 (7-77)~ ~,

0 U. S. NUCLEAR REGULATORYCOMMISSION tCENSEE EVENT REPORT CONTF)OL BLOCK:

Qi (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 4

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10

~02 WHILE PERFORMING TH

~03 THREE SPECIFIED LOWER CONTAINMENT TEMPERATURE READINGS HAD NOT BEEN RECORDED ON THE DATA SHEETS DUE TO A FAILURE OF THAT TEMPERATURE MEASURING POINT.

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~07 POINTS ON THE DATA SHEET ARE CHOSEN FROM A TOTAL OF 8 POINTS WHICH MEET THE LOCATION RE UIREMENTS IN TECHNICAL SPECS. 4.6.1.5.1.

THE REM NI G

POINTS WERE ALL OPERABLE AND ALL WERE RECORDING READINGS BELOW THE ALLOWABLE AVERAGE TEMPERA-TURE.

THE REQUIREMENTS OF T.S. 4.6.1.5.3 WERE NOT MET IN 'l CONTINUED ON ATTACHMENT

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CAUSE

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10 11 12 13 18 19 20 SEQUENTIAL TOCCURRENCE REPORT REVISION LERIRO fVENT YEAR REPORT NO.

CODE TYPE NO.

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0 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.

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THE ERROR WAS CAUSED BY THE FACT THAT T THAT THREE READINGS WERE RE UIRED AND A So MEASURING POINTS COULD BE SUBSTITUTED FOR THESE POINTS.

THE DATA SHEET HAS BEEN 3

CORRECTED TO PREVENT A REOCCURRENCE.

METHOD OF OTHER STATUS ~

DISCOVERY NA

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11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION 41

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11 12 LOSS OF OR DAMAGETO FACILITY 43 TYPE

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9 10 PUBLICITY ISSUED DESCRIPTIONQ

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ATTACHMENT TO LER 8 79-028/03m-0

EVENT DESCRIPTION

AND PROBABLE CONSE UENCES:

THAT ONE OF THE THREE TEMPERATURES WAS NOT RECORDED ON THE DATA SHEET, THUS DOCUMENTING THE DAILY DETERMINATION OF THE AVERAGE LOWER CONTAINMENT TEMPERATURES.

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