05000260/LER-1981-010-03, During Normal Operation, Output Signal Calibr SI 4.1.B-2 Was Not Performed as Scheduled.Caused by Personnel Error.Personnel Cautioned

During Normal Operation, Output Signal Calibr SI 4.1.B-2 Was Not Performed as Scheduled.Caused by Personnel Error.Personnel Cautioned

ML20009C153
Person / Time
Site:	Browns Ferry
Issue date:	04/09/1981
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C152	List:
References
LER-81-010-03L, LER-81-10-3L, NUDOCS 8107200328
Download: ML20009C153 (2)

LER-1981-010, During Normal Operation, Output Signal Calibr SI 4.1.B-2 Was Not Performed as Scheduled.Caused by Personnel Error.Personnel Cautioned

Event date:
Report date:
2601981010R03 - NRC Website

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UPLATE REPORT - PREVIOUS REPORT DATE 3/25/81 LICENSEE EVENT REPORT

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60 61 DOCKET NUMBER 68 60 EVENT DATE 74 75 REPORT DATE 80

, EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES Oio 10 l 2 I i During normal operation, SI 4.1.B-2 (APRM output signal calibration) was not l

,n,3, l performed as scheduled. The SI should have been performed between 2/4/81 and l

gl 2/6/81. It was performed on 1/29/81, 2/2/81, and 2/11/81. Redundant systems are l

io,,i i not applicable. There was no effect on the health or safety of the public.

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JJ 34 35 36 31 40 el 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h iiiOi l The problem was caused by personnel error. The personnel were cautioned to perform l gij l ST's as scheduled. No further recurrence control action is plar.ned.

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Form DF-17

'Tr:lnessee 'falley Authority BF 15.2

~ Browns Ferry Nuclear Plant 1/10/79 LER SUPPLEMENTAL INFORMATION 41B BFR(:-50 260 f 8110 Technical Specification involved 6.7.2.b(2)

Itepccted Under Technical Specification 2

E Unit Date of Occurrence 3/6/81 Time of Occurrence Ident.ification and Description of Occurrence:

SI 4.1.B.2 (APRM Output Signal Calibration) was not performed as. scheduled.

Con:'itions Prior to Occurrence:

T!TTt i at 99A power.

Unit 2 at 98% power.

Unit 3 at 95% power.

Act',n specified in the Technical Specification Surveillance Requirements met dtig to inoperable equipment.

Describe.

None App, rent Cause of Occurrence:

Personnel error.

Analysis of Occurrence:

There was no danger to the health or safety of the public, no release of activity, no damage to plant or equipment and no resulting significant chain of events.

Corrective Action

Personnel cautioned.'

Faibire Data:

None

• R eten tion :

Period - Lifetime', Responsibility - Administrative Supervisor y/0 CHevision:

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