ML19344D490

LER 80-002/03L-0:on 800131,w/plant in Cold Shutdown,Annual Insp of Diesel Generator 1A(1301-8.2) Was Not Performed. Caused by Repairs in Progress on Decay Heat Loop B & Spare Parts on Order to Support Insp.Insp Will Be Performed

ML19344D490
Person / Time
Site:	Three Mile Island
Issue date:	02/29/1980
From:	Troutman R METROPOLITAN EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19344D489	List: ML19344D488 ML19344D490
References
LER-80-002-03L, LER-80-2-3L, NUDOCS 8003120487
Download: ML19344D490 (2)

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30 EVENT DESCalPTt0N ANo PRC8ABLE CONSEQUENCES h ITTT1 I With the plant in the cold shutdown condition, the annual inspection of tha I (5"TTl I Diesel Generator 1A(l'301-8.21 was not perfor: sed. This is reportahla under i I

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l i i o i l The annual inspection was not performed on Diesel Generator 1A because of the I m I followine conditions: (1) Decay Heat Loop "A" in coeration (reoairs in oroeress I I

g i on Decay Heat Loop "B") and (2) soare parts on order to succort insoection (P.O. #74372) . Inspection will be performed prior to Unit il restart, j I

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Attechmint 2 TLL 097 NARRATIVE REPORT LER 80-002/03L-0 I. EXPLANATION OF OCCURILUCE Technical Specification 3.7 does not require the diesel generator to be operable while the plant is in the cold shutdown condition. It is the Metropolitan Edison Company's policy to maintain an operable diesel to provide backup power for the Decay Heat Removal System. If the annual surveillance of the diesel had been performed, the availability of the backup power supply would have been reduced. Deferring the surveillance program was considered to be the preferred course of action. This is reportable under Technical Specification 4.6.1.C.

II. CAUSE OF OCCURRENCE The annual inspection was not performed on Diesel Generator 1A because of the following conditions: (1) Decay Heat Loop "A" in operation (repairs in progress on Decay Heat Loop "B") and (2) Spare parts on order to support inspection (P.O. #74372).

III. CIRCUMSTANCES SURROUNDING OCCURRENCE The ann tal surveillance of Diesel Generator lA was not completed on 11/1/79 as scheduled.

IV. CORRECTIVE ACTION TO BE TAKEN TO PREVENT RECURRENCE The inspection will be performed prior to the restart of Unit I.

V. COMPONENT FAILURE DATA 1

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