ML19345E026

LER 80-088/03L-0:on 801116,found Low Diesel Fire Pump (P-140) Flow Rate During Surveillance Test 8.B.1.Caused by Diesel Generator Operating at Approx 1650 Rpm.Diesel Governor Control Adjusted

ML19345E026
Person / Time
Site:	Pilgrim
Issue date:	12/16/1980
From:	Mcloughltn M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19345E017	List: ML19345E015 ML19345E026
References
LER-80-088-03L, LER-80-88-3L, NUDOCS 8012220457
Download: ML19345E026 (1)

Text

fm ,. u r.6 , m o ,_,-mm.. ,imiui (7 77) g LICENSEE EVENT REPORT 7

CONTROL BLOCK: l 1

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lo11l lM l Aj Pl Pl Sl 1l@l 0 l 0l -l 010 l 0 l 0 l 0 l -l 0 l 0 25l@l264 l LICcNSE 1l 1 l TYPE 1l 1l@l J0 l  !@

57 C A T $8 7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER CON'T lolil l 8 SObRC 60 l L 61l@l 01DOCKET 510 NbYBER l -l O l 2196d l 369 @l E\t 11ENT11DATE I l 6 l R I n @lREPORT 74 75 i l oDATE l i l A l80a l n l@

EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h 10 l 2 l l On November 16, 1980 during the performance of surveillance test 8.B.1 Diesel Fire l lol3l l pump (P-140) flow rate was 1900 gpm. Technical Snecification Section 4.12.B requires!

j o !4 j l that the pump reach a rated flow of 2000 com. An immediate investination was initi- 1 Iol3l l ated. The investigation revealed that the diesel's RPM was low. The problem was l lo Is l l resolved, the surveillance test successfully concluded and the nuen returned to full!

[o l7 l l standby status on November 23, 1980. I I

101811 80 7 8 9 SYSTEM CAUSE CAUSE COMP. valve COOE CODE SUSCODE COMPONENT CODE SUSCODE SllBCODE 10}9l l Al Bl@ l Xlh l Z lh lM lE lC lF lU lN lh lZ lh l_Z_j h 13 18 19 20 7 8 9 10 11 12 SEQUENTI A L OCCURAENCE REPORT REVISION EVENT YEAR REPORT NO. CODE TYPE NO.

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_ 21 22 23 24 26 27 28 29 30 31 32 TAK ACT CN ON PL NT ET HOURS S8 I FOR UB. SUPPLIE MAN FACT RER lEl@l2l@ lZl@

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41 IN lh lAlh 42 43 lFl0l1l0l6; 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS lijoll Investigation determined that diesel generator was onerating at approximate 1v 1650 I li li l l rp m . The diesel governor control was adiusted for continuous cre nHan at 1700 rp,n,_J i,l7; l with a pump discharge flow rate of 2000 epm. The puen was satisfactorilv tested and l l lil3l l returned to service. I l

l i l 41 1 80 7 8 9 ST  % POWER OTH ER STATUS ISCOv RY DISCOVERY DESCRIPTION i

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[i { s8 l l E l@ l1 l 0 l0' l@l" N.A. l l Alhl Operational Event l 7 * '

• A TIVITY CO TENT mELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l

litsi121@lZI@l 7 8 9 10 11 N.A.

44 l l 45 N.A.

80 PERSONNEL EXPOSI.,RES NUV8ER TYPE OESCRIPTION N.A. l i

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NUV8ER DESCRIPTION It la 3I l3 0 l 0 l 01@l12 N.A. l 7 11 80 LOSS OF OR DAMAGE To FACILITY TYPE DESCRIPTION l i l 98 l9 l Z lhl10 N.A. l 7

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ISSU E DESCRIPTION 12IOl 7 8 3 hl to D Vl Z A n y 'l G (

_Ll r'"'-7 9 a l 68 69 lIlllllllllll5 80 5 NAME OF PREPARER PHONE: