ML20039E270

LER 81-006/03L-0:on 810507,corrosion on Diesel Fire Pump Battery Terminals Noted.Caused by Failure to Include Surveillance in Computer Tracking Sys.Surveillance Entry Into Computer Data Base Verified

ML20039E270
Person / Time
Site:	Three Mile Island
Issue date:	06/10/1981
From:	Mitchell D METROPOLITAN EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20039E264	List: ML20039E263 ML20039E270
References
LER-81-006-03L, LER-81-6-3L, NUDOCS 8201070092
Download: ML20039E270 (3)

Text

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74 15 REPORT D ATE EVENT DEscalPTION AND PROB A8LE CONSEQUENCES h lT', T] 1 While in the long-term cold shutdown condition. site tiersonnot observed corrosion I foTT1 1 on Unit 2 diesel fire ' pump battery terminale:. :he surveillance procedure 1 Io i4 l l for servicing this pump and the Unit I fire pumps had never been scheduled or per-j i o i s i I formed. The procedure was improperly entered into the computer data base and l i o is i I proper entry was not verified. This item is reported per T. S. 6.9.2.B.3. g 1

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Entry of the surveillance into the computer data j m i functional surveillance tests.

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tig 177 LER 81-06 MISSED SURVEILLANCE ON FIRE SERVICE DIESCL ENGINES

1. Current Activities At The Time Of The Occurrence ,

TMI Unit I was in a long-term cold shutdown condition.

II. Circumstances Leading Ta The Occurrence On May 7,1981, site personnel observed corrosica on : he battery terminals of the Unit 2 diesel fire pump (FS-P-1) . Upon investi-gation, it was found that the surveillance procedure for Fire Scr-vice Diesel Engine Inspection (3301-R1) had not been scheduled or performed. This station surveillance procedure covers Unit I diesels FS-P-1 and FS-P-3 and the Unit 2 diesel, FS-P-1.

III. Description Unit I has been in extended cold shutdoun conditions since Feb rua ry ,

1979. Technical Specification 4.18.2 was issued on November 30, 1977, and Surveillance Procedure 3301-R1 was issued on February 2, 1978, to implement 4.18.2.2.c.1 (fire pump diesel engine inspection) and 4.18.2.3.c (diesel starting battery inspection). The require-ments of these paragraphs are to be performed on an 18-month frequency.

The surveillance procedure 3301-R' was improperly entered into the computer data base for schedulint ad proper entry was not verified.

The surveillance was consequently not scheduled by the computer.

Therefore, this item is considered reportable under Technical Spec-ification 6.9.2.B. (3) as a missed surveillance.

IV. Resultant Events Since there was no f ailure of components, there are no significant occurrences which have taken place as a result of the missed sur-veillance.

The referenced Tech Spec requirements involve an inspection of each diesel in accordance with its snfacturer's recommendations and a visual inspection of the bnete.tes. Operability of the com-ponents has been assured by the per ormance of the foll< sing sur-veillance and maintenance. The amins diesel representative and TMI Maintenance rebuilt FS-P-1 in 1978, and FS-P-3 in April and May of 1979. The Cummins representative inspected the Unit 2 FE.-P-1 in April 1979. Additionally, we Aly surveillance has been performed on the battery water level and voltage; monthly surveillance to manually start and run the diesels while checking associated parameters; quarterly surveillance to check the 'n tery electrolyte specific gravity and level and to auto start a..' run the diesels; refueling interval surveillance to check the pump head / flow curve. Additionally, the lubricating oil has been changed on a quarterly basis.

V. Previous Events Of A Similar Nature LER 80-011/03L-0 reported a missed surveillance on the Reactor Building Spray System Compressed Air Test (5 year interval). The I cause was improper scheduling.

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VI. Root Cause Failure to properly schedule the surveillance as required by the Technical Specifications caused these events

! VII. Imr.ediate Corrective Action l

Surveillance Procedure 3301-R1 was performed on the snit-1 diesels (FS-P-1 & 3) and the Unit-2 diesel (FS-P-1) on May 13 and 14, 1981. Proper entry into the computer data base was verified.

VIII. Long Term Corrective Action

! -The Unit 1 Technical Specifications will be reviewed to ensure j that all surveillance requirements are properly ref lected in procedures. All such procedures will be verifica to be

properly reflected in the schedule.

! XI. Component Failure Data Since no components failed, no data is included here.

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