ML19323F823

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LER 80-007/01T-1:on 800315,in Mode 6 Following Initial Core Loading,Discovered Incorrect Valve Operator Weights Used in Seismic Analysis for Cooling Water Valves FCV-70-133,145 & 183.Caused by Manufacturer Labeling Error
ML19323F823
Person / Time
Site: Sequoyah Tennessee Valley Authority icon.png
Issue date: 05/21/1980
From: Terpstra G
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19323F818 List:
References
LER-80-007-01T, LER-80-7-1T, NUDOCS 8005290509
Download: ML19323F823 (2)


Text

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Siqunyth Nucitar Plant LER SUPPLDfE!;TM. INFORMATION SQRO-50-327/8007 Technical Specification Involved 6.9.1.12.h Reported Under Technical Specification 6.9.1.12.h Date of Occurrenec: 3/15/E0 Time of Occurrence: 0900 EST Unit 1 Identification and Description of Occurrence:

Notification was received from TVA Divisien of Engineering Design that the incorrect (non-censervative) valve operator weight was used in the seismic analysis for component cooling water valves FC'.'-70-133, 134, and 183.

Conditions Prior to Occurrence:

Unit 1 in Mode 6 following initial core leading.

Action specified in the Technical Specification Surveillance Requirements met due to inoperable eculpment. Describe.

N/A Apparent Cauce of Occurrence:

Incorrect valve operator weight used in seismic analysis.

Analysis of Occurrence:

There was no hazard to the public health or safety.

Corrective Action:

The ueismic analysis will be rerun using the correct valve operator weights.

Failure Data:

N/A

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