05000311/LER-1981-002, Forwards LER 81-002/03L-0.Detailed Event Analysis Encl

Forwards LER 81-002/03L-0.Detailed Event Analysis Encl

ML20063P683
Person / Time
Site:	Salem
Issue date:	02/09/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20063P684	List: 05000311/LER-1981-002, Forwards LER 81-002/03L-0.Detailed Event Analysis Encl
References
NUDOCS 8210150080
Download: ML20063P683 (2)

LER-2081-002, Forwards LER 81-002/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3112081002R00 - NRC Website

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. MAR o1gggg rR 4#' tY- Public Service Electric and Gas Company 80 Park Place Newark.N J 07101 Phone 201430 7000 I

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' February'90 1981 LER ll $ ll- h / O C X _

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v 4 Mr. Boyce H. Grier - - -- -

~T:".' . Director of USNRC UlPO RECV'O -

. Office of Inspection and Enforcement

.g.m'.- Region 1 m

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631 Park Avenue

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. King of Prussia, Pennsylvania 19406___ . .

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Dear Mr. Grier.

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LICENSE NO. DPR-75 DOCKET NO. 50-311 ., ._ , . . . e . . : .m . ..

REPORTABLE OCCURRENCE 81-02/03L- t b. <-- i.y Pursuant to the requirements of Salem Generating Station Uiiit No. 2 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-02/03L. This report is

- required within thirty (30) days of the occurrence. a .

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- Sincerely yours,

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R. A. Uderit(

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Nuclear Production

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CC: Director, Office of Inspection , .

and Enforcement (30 copies)

Director, Office of Management ,,

Information and Program Control (3 copies) b b_ . M[Y

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Report Number: 81-02/03L

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Ji . Report Date: 2/9/81 ~

Occurrence Date: 1/17/81 ~

Salem Generating Station, Unit 2

)' ' Facility: Public Service Electric & Gas Company 08038 Hancocks Bridge, New: Jersey- '

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, ' .Il, . IDENTIFICATION OF OCCURRENCE: - . - _ _ . _

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]s'7 ,;.kf ," ' Diesel Generator Inoperat ve - Equipment Failure

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_'E, s CONDITIONS PRIOR TO OCCURRENCE:

yc- Mode 5 - Rx Power: 0%. - Unit Load .0 !M DESCRIPTION OF OCCURRENCE:

1981, while performing surveil-

, f- During cold shutdown on January 17,4.3.2.1.3, Diesel Generator #2A failed to accelerate lance test SP(0) The generator

, to 875 rpm within 10' seconds'as required by the test.Since the No. 2B generator was was declared inoperable.

inoperable for repairs, Action Statement 3.8.1.2 was entered at 1715 hours0.0198 days <br />0.476 hours <br />0.00284 weeks <br />6.525575e-4 months <br />. This occurrence constituted operation in a degraded mode.IAW --

Technical Specification 6.9.1.9.b.  ; .

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:. . . ., : : ,

Equipment Failure ANALYSIS OF OCCURRENCE: < . .* .

Upon investigation and troubleshooting', it was foundThese that solenoid valves pilot valves 21DA23A and 22DA23B were not opening.

are parallel cross-connected, and when open, allow air from the air receiver to be admitted to the turbo-booster on the diesel itself.

Without this additional surge of air to the turbo-booster, the generator is incapable of achieving 875 rpm in 10 seconds after the receipt of a start signal. -

~ CORRECTIVE ACTION:

After Solenoid valves 21DA23A and 22DA23B were replaced in kind. the Action the satisf actory completion of the surveillance test, Statement was terminated at 0700 hours0.0081 days <br />0.194 hours <br />0.00116 weeks <br />2.6635e-4 months <br /> on January 21, 1981.

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FAILURE DATA: -

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ASCO - Type JX8342A3 - 125 VDC Prepared By W. J. Steele /

Manager - Salem Generating Station SORC Meeting'No. _ 81-07 M .

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