ML20039C156

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LER-81-123/03L-0:on 811119,after Satisfactory Performance of M3B Surveillance test,2A Safeguards Equipment Cabinet Would Not Reset & Vital Bus Tripped,Stripping Bus of Loads. Caused Not stated.SK6 Input Reset Relay Replaced
ML20039C156
Person / Time
Site: Salem PSEG icon.png
Issue date: 12/16/1981
From: Dickey F
Public Service Enterprise Group
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20039C155 List:
References
LER-81-123-03L, LER-81-123-3L, NUDOCS 8112280509
Download: ML20039C156 (1)


Text

NRC F(D2M 366 U.S. NUCLEAR REGULATORY COMMISSION (7 77)

LICENSEE EVENT REPORT COMTROL BLOCCC: l 1

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lo Iil ln l Jl Sl G l Sl 2 l()l o l ol -l 0l 0 l0 l0l0l-lO!0lhl4l1l1lll1lhl

? 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE Jo l

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CON'T IOI1I [RCE60l L l@l 0 l 5OOCKET l 0 lNUMBER 0l 0 l 3] 168 l 1@l 69 1EVENT l 1DATE l 1 l 9 l R l 1 hl1 74 75 l 2DATE REPORT l1l6l8l1lh 80

? 8 61 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h IOI2l l On November 19, 1981, af ter the satisfactory performance of the M3B surveillance l l0l3l l test, the 2A Safeguards Equipment Cabinet (SEC) would not reset. The M3B surveillance l 1O l4 l l was performed a second time satisfactorily. Upon the attempt to reset the 2A SEC, 2A l l0lsl l vital bus tripped, stripping the bus of its loads. At 1154 hours0.0134 days <br />0.321 hours <br />0.00191 weeks <br />4.39097e-4 months <br /> 2A SEC was declared l 1O is l l inoperable and Action Statement 3.3.2 Action 13 was entered. This occurrence l ,

_ l 0 l 7 l l constituted operation in a degraded mode in accordance with Technical Specification l l 0 la l l 6. 9.1. 9. b. I DE CODE SUSC E COMPONENT CODE SUSCdDE S E l0l9l 7 8 l E l B lh Wh l Alh l R lE l L l A l Yl Xlh Wh W h 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION

_ EVENT YE AR REPORT NO. CODE TYPE NC.

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l 1 l 0 l l The SK6 input reset relay was replaced. 2A SEC reset and tested satisfactorily. At l g ;1456 hours0.0169 days <br />0.404 hours <br />0.00241 weeks <br />5.54008e-4 months <br />, November 19, 1981 2A SEC was declared operable and Action Statement 3.3.2 l

Action 13 was terminated During the time period 2A SEC was declared inoperable, the l

,,,,, g plant was adequately protected by 2B and 2C SEC. l 1 4 l l

7 8 9 80 ST S  % POWER OTHER STATUS DIS RY DISCOVERY DESCRIPTION y Wh l Ol 9l 4lhl N/A l hl Surveillance Test l ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE

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7 11 PERSONNEL EXPOSURES l

NUY8 E R DESCRIPTION 39 _

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PERSONNE L INJU IES /' -

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s0 S P. Dickey PHONE: 609-935-0998 E NAME OF PREPARER _____