05000267/LER-1982-052, Revised LER 82-052/03L-1:during 821229-830111,eight Class I Hydraulic Shock Suppressors Found Inoperable.Caused by Improper Reservoir Orientation or Lack of Oil Due to Pipe Movement.Snubbers Rebuilt,Tested & Reinstalled or Repl

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Revised LER 82-052/03L-1:during 821229-830111,eight Class I Hydraulic Shock Suppressors Found Inoperable.Caused by Improper Reservoir Orientation or Lack of Oil Due to Pipe Movement.Snubbers Rebuilt,Tested & Reinstalled or Replaced
ML20070V450
Person / Time
Site: Fort Saint Vrain Xcel Energy icon.png
Issue date: 02/07/1983
From: Fuller C
PUBLIC SERVICE CO. OF COLORADO
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20070V442 List:
References
LER-82-052-03L, NUDOCS 8302170349
Download: ML20070V450 (1)


LER-2082-052, Revised LER 82-052/03L-1:during 821229-830111,eight Class I Hydraulic Shock Suppressors Found Inoperable.Caused by Improper Reservoir Orientation or Lack of Oil Due to Pipe Movement.Snubbers Rebuilt,Tested & Reinstalled or Replaced
Event date:
Report date:
2672082052R00 - NRC Website

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r U. S. NUCLEA2 RESULATC';Y COMMISSION CRC FORM 366 (7 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI 1 6 lO li8l 9l C l LICENSEE 0 l F COOE l S l V 14l 1 l@l 15 0 l 0 l - LICENSE l 0 l 0NUMBER l 0 l 0 l 0 l - l250 l 260 l@l 4l 1lTYPE LICENSE 1lJOa Q@l l 57 CAT S3 l@

7 CON'T Blti 7 8 5$Rc60l L l@l 0 l 5DOCKET61 l 0 ]NUM8ER O l 0 l 2 68l 617 69 l@l EVENT1DATE l 212 l 9 l 8 l 2REPORT 74 75 l@l DATE 0 l 21 80Ol 718 i 3 l@

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES OiO l O : 21 l During the period from December 29, T982, through January 11, 1983, eight Class I l

,o,3,  ; hydraulic shock suppressors were found inoperable due to improper reservoir orienta- l

,,,,, , tion or lack of oil. These events constitute operation in a degraded mode of l

,,,,, , LC0 4.3.10 and are reportable per Fort St. Vrain Technical Specification AC 7.5.2(b)2.g ,

, o g , ; No accompanying occurrence. No effect on public health or safety. Similar reports  ;

pi a re RO's: 81-026,81-032, 81-040,81-043, 81-051,81-056, 81-059,81-064, 81-074,  ;82-00I, 82-008,82-016, 82-032, r.nd 82-037.  :

DE CODE $ 8C E COMPONENT CODE SUS ode S E O 9 I H j B l@ [E_j@ [M,_j@ l Sl Ul Pl 01 RI 11@19LD,j@ 20W @ 18 7 8 9 to il 12 13 SEQUENTIAL OCCURRENCE REPORT REVISION EVENT YEAR REFORT NO. CODE TYPE N O.

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33 36 31 40 41 CAUSE DESCRIPTION AND CORRECTIVE ACT!ONS h 3 o l Event Nos. I and 2: Pipe movement caused Atlanta snubber oil reservoirs to invert. l

,,,,,  ; Snubbers were rebuilt, tested, and re-installed. Event Nos. 3 through 8: 0-ring i gg and seal leakage caused a lack of oil level in ITT Grinnell snubber reservoirs. Snub i

,,,,, l bers were either mbuilt, tested, and re-installeo or replaced with qualified spares, ;

, , , tested, and re-installed. Inspection interval has been shortened to 31 days + 25%. No, 80 7

8 ggther corrective action is anti 0 patgryqui c1SCOVERY red. DISCOVERY DESCRIPTION STATUS  % POWER OTHER STATUS li Is l LG,j@ l 01 01 Ol@l N/A l l B l@l Surveillance Test i A TiVl7 CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE i s l l N/A l 7 8 9 l Z l @ l Zl@l N/A 10 11 44 45 80 PERSONNEL EXPOSURES NUM8ER TYPE DESCRIPTION '

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' PERSONNEt iNau' RIES NUMBER DESCRIPTION 7

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