ML19340C490

Updated LER 80-011/03X-7:on 800401,IE Bulletin 79-14 Review Revealed 37 Inoperable Hangers.Cause Not Stated.Hangers Repaired or Modified within Time Frame Allowed by Tech Specs

ML19340C490
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/10/1980
From:	Bramlett L ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19340C488	List: ML19340C487 ML19340C490
References
IEB-79-14, LER-80-011-03X, LER-80-11-3X, NUDOCS 8011170489
Download: ML19340C490 (3)

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EVENT OESCRIPTION AND PROBABLE CONSEGUENCES h fTTil i Based on oining system as-buLlt confiauration review as reauired by I t o !ai I IE Bulletin 79-14, the attached list of 37 hangers were declared inoper- i l o la ! Lable. System redundancy was maintained in every case. A hanger design i lo is1 I was imediately prepared to upgrade the affected hangers to meet design i i o is i l reauirements. LER's ~ 50-313/79-010 and 80-010 were similar occurrences. i I o i r l I Reoortable per T.S. 6.12.3.2. (b). I l o la l i I

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41 LYjg djg l Y^{ Ffl3"lE"0lg 43 43 g4 47 CAUSE OESCRIPTION AND CORRECnVE ACTIONS h m i The affected hancers were repaired or modified within the time frame i intil I allowed by Tech.-Soec. The affected systems were Service Water (WA), i iii2i i Main Steam (CC), Decay Heat (CF), Makeup (PC), Emergency Feed (WB), and i m i Rx Bldo. Sorav (SB). Th9 review is continuina. I mI l

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, I 3 i LER 50-313/80-011, Revision 7 (continued)

HANGER NUMBER SYSTEM HBD H35 Service Water HBD SW20 Service Water MS - 175 Main Steam HBD HIS Service Water HBD H2 Service Water MS - 156- Main Steam GCB 141 Decay Heat DH - 100 Decay Heat DH - 95B Decay Heat DH - 148 Decay Heat _

DH - 146 Decay Heat x DH - F - 1 Decay Heat DH - F - 8 Decay Heat MU - 219 Makeup HBD H2 Service Water HBD H17 Emergency FW EFW - 53 Emergency FW HBD H47 Service hater SW - 4 Service Watec HBD H57 Service Water HCB SK - A R. B. Spray HBD H5 Service Water HBD H33 Service Water HBD H3 Service Water MS - 177 Main Steam MU - 224 Make up '

MS - 175 Main Steam HBD FIG 4 Service Water HBD H19 Service Water

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LER 50-313/80-011, Revision 7 (continued)

HANGER NUMBER SYSTEM HSD H24 Service Water HBD H7 Service Water HBD H52 Service Water __~

M S - 155 Main Steam -

MS - 168 .

Main Steam SW - 18 Service Water SW - 18A' Service Water HBD H33 Service Water ..

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