ML20085E596
| ML20085E596 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 03/29/1976 |
| From: | Bixel D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| LER-ER-76-007, LER-ER-76-7, NUDOCS 8308150404 | |
| Download: ML20085E596 (2) | |
Text
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MSEE EVENT REPORT O
CONTROL BLOCK:l l
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l
[MEASE PRMIT ALL REOUIRED INFORMATION) 1 6
UCENSE NUM8ER PE 8 l Ml IlP l Al Ll Il l0l0l-l0l0l0l0l0l-l0l0l lhl1 l1 l1 l1 l l 0l 1l 7 89 14 15 25 28 30 31 32
@ sou ELLI lol 5l 01-10121 s I si 10131016l 716l l 01312 1917161 DOCKET NUMBER EVENT OATE REPORT OATE 01 CON r I l l 7 8 57 58 59 80 81 88 89 74 75 80 EVENT DESCRIPTION 35 lDuring a routine monthly test of the power rance safety channel tric set point l
7 89 80 g@ l(5106.5% of full pover), one of the four channels (NI006) was found set at 107.1%. l 7 89 80 3[ lRecorda show this to be the third event of this. type since 1969 The last event l
7 89 80 SE loccurred in May 1975 (AO-11-75) and was associated with an internal power supply.
l 7 89 80 DQ lThis event apnears to be an isolated occurrence.
(ER-76-07) l 7 89 pm 80 DE CO E COMPONENT CODE YOLATION 35 l1lAl y lIl Nl SlT l Rl Ul lN l l Gl 3l 0l5 l
[NJ 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION Og l Testing of this equipment determined no problems. A review of this channel cali-l 7 89 80 SE lbration data vill be performed folleving the next monthly test.
Linear Channel l
7 89 80
] lPart No ELJ 1h7-000-1A, Serial No NP-6-105 l
'STAN 4 POWER OTHER STATUS OrSCOVE OISCOVERY OESCRIPTON
(_H_j l0l0l0l l NA l W l
NA l
7 8 9
10 12 13 44 45 48 80 RELEA D OF RE ASE AMOUNT OF ACTivfiY LOCATON OF RELEASE E
l_Z_l Wl NA l
l NA l
7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTON DE l 0 l 0 l0 l Wl NA l
7 89 11 12 13 80 PERSONNEL INJUR:ES NUMBER DESCR:PTON DE l0l0l0l l
NA l
7 89 11 12 go PROBABLE CONSEQUENCES 39 lThis is a 2 out of h system and other channels were satisfactory.
l 7 89 80 l
LOSS OR OAMAGE TO FACluTY TYPE DESCRIPTON 3
l NA l
7 89 10 80 PUBLICITY QS l NA l
7 89 80 l
AOOIT10NAL FACTORS l
3I NA l
/ 89 80 DE l l
7 89 8308150404 760329 80 gDRADOCK 05000255 PDR
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consumars
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General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201
- Area Code 517788-0550 March 29, 1976
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3 Mr James G. Keppler G)
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Office of Inspection Enforcement f,,
Region III 4,* p' % ' 6 US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255, LICENSE DPR PALISADES PLANT, E7 '(6-07 REACTOR PROTECTIVE SYSTEM
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Attached is a reportable occurrence which relates to the Palisades Plant.
This occurrence has been classified a reactor protection system instru-ment setting found to be less conservative than those established in the Technical Specifications but which do not prevent the fulfillment of the functional requirements of the affected system.
David A. Bixel Assistant Nuclear Licensing Administrator Y
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