05000272/LER-1981-005, Forwards LER 81-005/03L-0

Forwards LER 81-005/03L-0

ML18085A869
Person / Time
Site:	Salem
Issue date:	02/12/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085A870	List: 05000272/LER-1981-005, Forwards LER 81-005/03L-0 05000272/LER-1981-005-03, /03L-0:on 810128,during Routine Functional Test on Reactor Protection Sys,Safety Injection Signal Failed.Caused by Comparator Unit (Hagan Model 4111082-001) Failure. Defective Module Replaced
References
NUDOCS 8102250270
Download: ML18085A869 (2)

LER-1981-005, Forwards LER 81-005/03L-0

Event date:
Report date:
2721981005R00 - NRC Website

text

e OPS~G Public Service Electric and Gas Company 80 Park Place Newark, N.J. 07101 Phone 201/430-7000 Mr. Boyce H. Grier Director of USNRC Off ice of Inspection and Enforcement Region 1 631 Park Avenue February 12, 1981 King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-05/03L Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-05/03L.

This report is required within thirty (30) days of the occurrence.

Sincerely yours,

/~~~

R. A. Uderi tg' General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies) l!J0:~-197

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.f-1 Report Number

, Report Date :

Occurrence Date:

Facility:

Feb~uary 12,. 1981 1/28/81 Salem Generating Station, Unit 1 Public Service Electric & Gas Company Hancocks Bridge, NJ 08038 IDENTIFICATION OF OCCURRENCE:

Turbine Impulse Channel Functional Test Failure (Comparator 1FC513 Failed)

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 -

Rx Power 63% - Unit Load 700 MW DESCRIPTION OF OCCURRENCE:

During normal operations at 0820 hours0.00949 days <br />0.228 hours <br />0.00136 weeks <br />3.1201e-4 months <br /> on January 28, 1981, while performing a routine functional test on the Reactor Protection System (High Steam Flow, Channel II for Safety Injection), the Safety Injection signal could not be generated.

IAW Technical Specification 3.3.2.b normal operation continued with the inoperable channel placed in the tripped condition.

A work order was issued to trouble-shoot and repair the channel.

This occurrence constituted operation in a degraded mode IAW Technical Specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure ANALYSIS OF OCCURRENCE:

Upon troubleshooting the channel, it was determined that the Comparator Unit (Hagan Model 4111082-001) had failed.

CORRECTIVE ACTION

The defective Hagan Module was replaced with a spare.

The replace-ment unit was calibrated and a satisfactory channel functional test was performed.

The channel was declared operational at 1050 hours0.0122 days <br />0.292 hours <br />0.00174 weeks <br />3.99525e-4 months <br /> on January 28, 1981.

FAILURE DATA:

Hagan Comparator -

Model 4111082-001 - Serial #A01040 Prepared By W. J. Steele SORC Meeting No.

81-07