ML20024B989

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LER 83-047/03L-0:on 830530,emergency Diesel Generator 2J Tripped on High Crankcase Pressure During Surveillance Testing.Cause Not Determined.Diesel Tested Satisfactorily. W/830628 Ltr
ML20024B989
Person / Time
Site: North Anna Dominion icon.png
Issue date: 06/28/1983
From: Harrell E
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
LER-83-047-03L, LER-83-47-3L, N-83-089, N-83-89, NUDOCS 8307120094
Download: ML20024B989 (2)


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3 b U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK / / / / / / / (1) (PLEASE PRINT OR. TYPE ALL REQUIRED INFORMATION)

/0/1/. /V/A/N/A/S/2/ (2) /0/0/-/0/0/0/0/0/-/0/0/ (3) /4/1/1/1/1/ (4) / / / (5).

LICENSEE CODE LICENSE NUMBER LICENSE TYPE CAT 0/1/ O R &/(6) /0/5/0/0/0/3/3/9/ (7)

DOCKET NUMBER

/0/5/3/0/8/3/ (8)

EVENT DATE

/ 0/ 6/ 2/ 8/ 8/ 3/ (9)

REPORT DATE F'/ENT DESCRIPTION AND PROBABLE CONSEQUENCES (10)

/0/2/ / On May 30, 1983, with Unit 2 at 30% power, Emergency Diesel Generator (EDG) "2J" /

/0/3/ / tripped on high crankcase pressure during surveillance testing. Since the high /

/0/4/ / crankcase pressure trip is bypassed in the emergency mode of operation and the /

/0/5/ / "2H" EDG was proven operable within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> the health and safety of the public /

/0/6/ / were not affected. This event is contrary to the LCO of T.S. 3.8.1.1 and report-/

/0/7/ / able pursuant to T.S. 6.9.1.9.b. /

/0/8/ / /

SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

-/0/9/ /E/E/ (11) /X/ (12) /Z/ (13) /E/N/G/I/N/E/ (14) /Z/ (15) /Z/ (16)

SEQUENTIAL OCCURRENCE REPORT REVISION LER/R0 EVENT YEAR EEPORT NO. CODE TYPE NO.

(17) REPORT .

NUM3ER /8/3/ /--/ /0/4/7/ /N /0/3/ /L/ /-/ /0/

ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NhD-4 PRIME COMP. COMPONENT l TAKEN ACTION ON PL/ET METHOD HOURS SUBtf1TTED TORM SUB. SUPPLIER MANUTACTURER 4 /K/ (18) /Z/ (19)_ /Z/ (20) /Z/ (21) /0/0/0/0/ (22) /N/ (23) /N/ (24) /A/ (25) /F/0/1/0/ (26)

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (27)

/1/0/ / The "2J" EDG was inspected by both electrical and rechanical maintenance perscn- /

e /1/1/ / nel. The cause of the high crankccse pressure uss not determined. The diesel /

/1/2/ / was subsequently t'ested satisfactorily under observation of the maintenance per- /

/1/3/ / sonnel and returned to service. /

/1/4/ / /

FACILITY METHOD OF STATUS  % POWER DISCOVERY DESCRIPTION (32)

/1/5/ /E/ (28) /0/3/0/ (29) / OTHER NA STATUS

/ ( 0) DISCOVERY

/A/ (31) / Surveillance Testing /

ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY (35) LOCATION OF RELEASE (36) l /1/6/ /Z/-(33) /Z/ (34) / NA / / NA /

PERSONNEL EXPOSURES NUMBER ~ TYPE DESCRIPTION (39) i

/1/7/ /0/0/0/ (37) /Z/ (38) / NA /

PERSONNEL INJURIES NUMBER DESCRIPTION (41)

/1/8/ /0/0/0/ (40) / NA /

LOSS OF OR TYPE DAMAGE TO FACILITY (43)

DESCRIPTION

/1/9/ /Z/ (42) / NA /

i PUBLICITY ____8307120094 830629 ISSUED DESCRIPTION (45) PDR ADOCK 05000339 NRC USE ONLY S PDR ,jjjjjjjjjjjj

/2/0/ /N/ (44) / NA NAME OF PREPARER E.-Wayne Harrell PHONE (703) 894-5151 l k i d\

1ok USNRC REmoti .'I AT!A!!TA, goRGit VIRGINI A ELECTRIC AND POWER CO [

j NORTH ANN A POWER ST A y )

P.O. BOX 402 MINER AL, VIRGINI A 23117 June 28, 1983 Mr. James P. O'Reilly, Regional Administrator Serial No. N-83-089 U. S. Nuclear Regulatory Commission N0/JRR: 11 Region II Docket No. 50-339 101 Marietta Street, Suite 2900 Atlanta, Georgia 30303 License No. NPF-7

Dear Mr. O'Reilly:

Pursuant to North Anna Power Etction Technical Specifications, the Virginia f,lectric and Power Company hereby st bmits the following License t. vent Repert applicable to North Anna U. tit No. 2.

Report Uo. Applicchle Technical Specificationu LER 83-047/03L-0 T.5. 6.9.1.9.b This report has been rev teved by the Sr.ation Nuclear Safety ar.d Opstating Committee and will be forwarded to Safety Evaluation an1 Control for their review.

Ve Truly our.

/

I l E. Wayne arrell Station Manager Enclosures (3 copies) l cc: Document Control Desk (1 copy) 016 Phillips Bldg.

U.S. Nuclear Regulatory Commission l Washington, D. C. 20555 l (<j{,*k ft &

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