ML20009A528

LER 81-032/03L-0:on 810428,hot Reheat Snubber HRS-244 Found Inoperable.Caused by Empty Hydraulic Oil Reservoir Due to Leaking Elbow Fitting.Fitting Tightened,Reservoir Refilled & Snubber Returned to Svc

ML20009A528
Person / Time
Site:	Fort Saint Vrain
Issue date:	05/28/1981
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20009A525	List: ML20009A524 ML20009A528
References
LER-81-032-03L, LER-81-32-3L, NUDOCS 8107130277
Download: ML20009A528 (1)

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NMC FC*RM 366 U. S. NUCLEAR REGULATORY COMMISSION om LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 10111 I c lLICENSEE o I t iCODEs Iv l 14i l@l:S 010 l- 1010 IO 1010 l LICENSE NvMeER 101025l@l4 26 11LICENSE 11 1210 TYPE Jo l@l67 garI bd l@

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7 8 t0 61 DOCK ET NUMBER EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h 10l2110n April 28, 1981, with the plant operating at 70% thermal ,wer and 220 MWe. hot re- I toq3; l heat snubber HRS-244 was observed to be inoperable. This is a degraded mode of l 10141 ILCO 4.3.10 anc is reportable per Fort St. Vrain Technical Specification AC 7.5.2(b)2. l l O l s i NI o accompanying occurrence. No effect on public health or safety. l I

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43 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS I i l 0 I lEmpty hydraulic oil reservoir due to leakine elbow fittine rendered ITT Grinnel snubbeti li l t j linoperable. Fittings were tightened. "0" rings cleaned and reolaced. reservoir re- I l i t 21 I filled, and snubber returned to service. The surveillance interval was adiusted to 1 l

I i 13 I 162 days.

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t i l41 l 80 7 8 9 STA *6 POWER OTHER STATUS DISCO RY DISCOVERY CESCFitPTION l

( l1 l 5 l Wh l 0l 7 l 0l@l N/A l l A lhl Personnel Observation ACTIVITY CO TENT RELEASED OFRELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l l N/A l l1 16a l9 l Z l h l10Zl@l N/A 7 11 44 45 80 PERSONNEL EXPOSURES NuveER TYPE DESCRIPTION

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PERSONNe't'iNau' RIES NuMeER oESCR,PTiON@

l l li h l8 1010 7 9 l 0 l@l12 11 M /_A 80 LOSS OF OR DAMAGE TO FACILi'Y TYPE DESCRIPTION N/A I Ii l 91*

• I Z l@l PueuSTv 45 8107130277 810528 N' RC USE ONLY isSuEo DESCRIPTTON PDR ADOCK 05000267 I 2 I o j [_N,,_jhl N/A S PDR l l ! l ! I I l ! ! ! ! ! I :i 10 68 69 80 5 7 8 9 NAME OF PREPARE 4 - PHONE: (303) 785-2224 2

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