ML20003H346

LER 81-015/03L-0:on 810402,outboard End Packing Showed Signs of Failure During Operability Testing of Turbine Driven Auxiliary Feedwater Pump.Caused by Packing Nearing Natural End of Life.Packing Gland Loosened & Packing Flushed

ML20003H346
Person / Time
Site:	Millstone
Issue date:	05/01/1981
From:	Blanchard R NORTHEAST NUCLEAR ENERGY CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003H344	List: ML20003H343 ML20003H346
References
LER-81-015-03L-01, LER-81-15-3L-1, NUDOCS 8105050618
Download: ML20003H346 (1)

Text

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8 feedwater p_ ump _ 1 EVENT DESCRIPTION AND FROBA8tt.coZCOUENCES h During routine operability testing of the turbine driven auxiliary _

3 Til l_ Thus three auxiliary feedwater _

j the outboard end packing showed signs of failure.

gL pumps were not operable as required by Technical Specification 3 g; _

i tion [. .

of the remaining two pumps was verified in accordance with Technical Spe j,g3, g Total time pump was out of service - ] 4 4.7.1.2 and plant operation continued.

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j g,q g 1.s hours. 'Similar events LER 81-14 (4/16/81) 1 80 EDOI

' ' " CO .,PO~E~T CODE sVr C7/dE se'YsE

' CSM" 'c^OiM #3sE os I c I H ]@ [E_J@ [2Fj @ IP l Ul Ml P I X l X j@ [_8J@ L 13 1 13 18 OCCURRENCE 19 REFORT 20 REVISION NO.

8 9 to SE QUE NTI At. TYPE 7 CODE REPORT NO:

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8. 5 PPLI MAN FA TURER HOURS 22 S B IT F l1 10 l7 l s j@

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• CAUSE DESCalPTION AND CORRECTIVE Packing ACTIONS is approximately h five years old.

Nearing the natural end of packing life.

iO l Pump operability was J Packing gland was loosened, packing flushed and readjusted.

, , Preventive Maintenance j verified in accordance with Technical Specification 4.7.1.2.

, , l J schedule modified to replace packing at three year intervals. Initial replac j l , 3 l 80 will be done'as soon as packing is available, i , ,, ; ;

8 9 DISCOVERY DESCRIPTION i

Operator Observation J

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