ML20085F022

AO BFAO-50-259/755W:on 750318,one Less Senior Reactor Operator Was on Shift than Required Per Tech Spec.Caused by Scheduling Error.Weekly Shift Schedule Revised to Indicate Licenses Held by Personnel

ML20085F022
Person / Time
Site:	Browns Ferry
Issue date:	03/27/1975
From:	Eric Thomas TENNESSEE VALLEY AUTHORITY
To:	Case E Office of Nuclear Reactor Regulation
References
NUDOCS 8308180222
Download: ML20085F022 (2)

Text

\. S TENNESSEE VALLEY CHATTANOOGA. TENNESSEE 374ot HORITY

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Mr. Edson G. Case Acting Director of Licensing U.S. Nuclear Regulatory Cor=:ission Washington, DC 20545

Dear Mr. Case:

tem!ESSEE VALLEY AUTHORITY - BROWS FERRY NUCLE.E PLANT UNIT 1 -

DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR ABNORMAL OCCURRENCEREPORTBFAO-50-259/755W i

The enclosed report is to provide details concerning the number of licensed senior reactor operators on shift which was one less than required by the technical specifications and is submitted in accordance with Appendix A to Regulatory Guide 1.16, hevision 1, October 1973.

This event occurred on Browns Ferry Nuclear Plant units 1 and 2 on March 18, 1975 Very truly yours, TENNESSEE VALLEY AUTHORITY

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T E. F. Tho.nas I Director of Power Production Enclosure

• CC (Enclosure):

Mr. Norman C. Moseley, Director

• U.S. Nuclear Regulatory Cocmission Regional Office 230 Peachtree Street, IN., Suite 818 Atlanta, Georgia 30303 8308180222 750327 '

s, PDR ADOCK 05000259 PDR -

S I y 3G03; An Equal Opportunity Employer SENT REGION

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ABNORMAL OCCURRENCE REPORT e

Report No.: BFAO-50-259/755W Report Date: March 27, 1975 Occurrence Date: March 18, 1975 Facility: Browns Ferry Nuclear Plant units 1 and 2 Identification of Occurrence The number of licensed senior reactor operators on shift was one less than required by the technical specifications.

Conditions Prior to Occurrence Both units at full load operation.

Description of Occurrence The minimum shift staffing requirements by the technical specifications are two licensed senior reactor cperators and three licensed reactor operators. An assistant shift engineer with a senior license was on emergency leave and was replaced by an assistant shift engineer holding only a reactor operator license.

The shift was actually manned by one licensed senior and five licensed reactor operators.

Atmarent Cause of Occurrence _

The situation occurred as a result of a scheduling error when replacing an assistant shift engineer who should have a senior reactor operator license.

Analysis of Occurrence There were no adverse effects to the public health and safety as a result of this occurrence.

Corrective Action In the future until such time as all assistant shift engineers have senior

' operator licenses, weekly shift work schedules will indicate the license held by each person whose na=e appears thereon. The occurrence has been discussed with each shift engineer.

Failure Data None t

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