05000321/LER-1979-066-01, /0T-0:on 790827,following Refueling Outage, Routine Surveillance Revealed Jet Pump Integrity Not Performed Satisfactorily on 790826.Caused by Personnel Not Recognizing Limiting Conditions for Operation

/0T-0:on 790827,following Refueling Outage, Routine Surveillance Revealed Jet Pump Integrity Not Performed Satisfactorily on 790826.Caused by Personnel Not Recognizing Limiting Conditions for Operation

ML19207C001
Person / Time
Site:	Hatch
Issue date:	09/04/1979
From:	Baxley S GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19207B994	List: 05000321/LER-1979-066, Forwards LER 79-066/01T-0 05000321/LER-1979-066-01, /0T-0:on 790827,following Refueling Outage, Routine Surveillance Revealed Jet Pump Integrity Not Performed Satisfactorily on 790826.Caused by Personnel Not Recognizing Limiting Conditions for Operation
References
LER-79-066-01T, LER-79-66-1T, NUDOCS 7909060292
Download: ML19207C001 (2)

LER-1979-066, /0T-0:on 790827,following Refueling Outage, Routine Surveillance Revealed Jet Pump Integrity Not Performed Satisfactorily on 790826.Caused by Personnel Not Recognizing Limiting Conditions for Operation

Event date:
Report date:
3211979066R01 - NRC Website

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- 1 lDuring steady state operation at low power for Startup testing following a Refue ing l0utage, rs. tine surveillance review revealed that HNP-1-9400 (Jet Pump Integrity) had i

o [n W [not beu performed satisfactorily on 8-26-79.

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O,s l unacceptable. Test Shop began calibration of instruments so that Procedure could be j

o icj [ performed again to insure accurate readings.

Tech. Specs. 3.6.I requires Plant to be [TJT] [in the Cold Shutoown Mode within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Failure to comply with Shu tdown requirementp,

g gas not recognized until morning of 8-27-79.

Operations immediately performed 7

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Instrument calibration was sus-i W joccted and Procedure was expected to be acceptable when instrument calibration was ccm-;

laI?] plete.

Immediately upon discovery Procedure HNP-1-9400 was performed and was acceptably.

l Balancing of RECIRC loop flow had placed Procedure in acceptable status.

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HilP-1-9400 and it was acceptable.

There was no effect on public health or safety.

CAUSE

DES _QRIPTIOf' AND_ CORRECTIVE ACTIONS (C0ti'T.)

cause of unbalanced loop flow conditions.

Plant personnel have been instructed to insure that Tech Spec. requirements are performed within prescribed limits.

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