ML19309A809

LER 80-016/03L-0:on 800303,emergency Diesel Generator 21 Was Placed Out of Svc After It Failed to Reach Rated Speed During Start Test.Caused by Diesel Generator Governor Slow Response.Governor Replaced,All Governors Inspected

ML19309A809
Person / Time
Site:	Calvert Cliffs
Issue date:	03/28/1980
From:	Davis S, Huseby D BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19309A806	List: ML19309A805 ML19309A809
References
LER-80-016-03L, LER-80-16-3L, NUDOCS 8004010368
Download: ML19309A809 (1)

Text

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1 < LICENSEE EVENT REPORT (PLEASE PAINT OR TYPE ALL P.EQUIRED INFO MAtto =.

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@ ( 1"5$$ [L_J@l 0 15 10 10 10 13 11 18 _ l@l 01[{I 8 60 89 DOCKET NUMB?R 68 69 EVENT DATE 14 75 REPORT DATE I g3 EVENT oESCRIPTioN ANo PROBABLE CONSEQUENCES hemeroe Eh E IAt 1420 #21 1 g E I for maintenance after it failed to reach rated speed Acain at in (10 sec EE'pe 1

5?.5!!

The EDG was tested and niaced in service at 1515. a

_L4 J [durino a start test. it aqain failed to 1 FM.

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> Isi 11330 on 3/6/80, #21 EDG was placed 00S for maintenance w en 1 g The EDG was tested and olaced in service at L.ULJ 1 reach rated speed in t 10 seconds. j h The redundant EDG and all offsite power sources were operable 2.7."

iTil 10900 on 3/8/80. l 5~

80 gg This is not a repetitive occurrence.

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REPORT 20 R EVistON (f 10 11 OCCURRENCE NO.

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EVENT YE AR l011l6l LE R/RO 31 32 O17,u'E a I8l0l [ --J 24 26 27 28 29 JO 2J MANUFACTURER

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_ di 42 43 JS JJ CAUSE oESCRIPTioN ANo CORRECTIVE ACTtoNS 27 Governor I g IProblem was caused by slow response of the diesel generator covernor.

J fiTi1 Iwas replaced with a new unit and will be inspected and overhaule J Each diesel oenerator covernor will

, 7 lto detennine and correct the cause of failure. _]

g l undergo this inspection and overhaul to prevent repetition of the J

/12/80) 1 .

l(Woodward Model #EG-B10) (Reference LER 80-11/1T, dated 3  ;

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@ DESCRIPTION puoNgL( 301)269-4742/4806 {

b N AME OF PPEPAPER __ S . M. Davis /D. E. Huse y 800401o % [r