ML19317D959

Incident Investigation Rept RO-B-690:on 780113,indications Reading High During Calibr on a Core Flood Tank (IP/0/A/020/01A).Error May Have Allowed Unit Operation in Violation of Tech Specs 3.3.3

ML19317D959
Person / Time
Site:	Oconee
Issue date:	01/13/1978
From:	DUKE POWER CO.
To:
References
RO-B-690, NUDOCS 7912100636
Download: ML19317D959 (2)

Text

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INCIDDiT INVESTIGATION REPORT NO. B-690 DATE 1/13/78 UNIT 2 TIME /DATE of Incident 11:30 - 1/13/78 UNIT STATUS AT TIME OF INCIDDIT Cold Shutdown INCIDENT Found core flood tank level indications readir.g high by 0.34 and 0.45 feet, resptively, during performance of core flood level instrumentation calibration on "A" core flood tank (IP/0/

A/020/01A). This instrument TIME /DATE Reported to Station Manager 14:37 - 1/13/78 TIME /DATE Reported to General Office 14:50 - 1/13/78 General Office Representative Contacted R. L. Gill Time /Date Reported to NRC/OIE Region II 14:55 - 1/13/78 NRC Inspector Contacted F Jape Type of Incident: X ,RC-14 RO-30 TSV Other Investigate Assigned D. E. Taylor Report Due to NRC on 1/25/78 Report Due to 'IRC on 1/27/78 Routing of Copies I

i This Form Report TRC Report i

Tech Set. Supt. NSRB TRO Gen. Office GEN. OFFICE TRC (4) Investigator Investigator Operator. Supt .(4)

Tech. Ser. Supt.

F. C. Hayworth t Maintenance Supt.

Remarks: Error may have allowed unit operation in violation of the requirements of tech, spec. 3.3.3. (a) this incident is reportable under section 6.6.2.la (2) of tech, spec.

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