05000255/LER-1979-021-03, /03L-0 on 790427:during Routine Surveillance of safety-related snubbers,S-44 (LPIS Pump Discharge) Had No Visible Oil Level.Oil Leakage from Snubber Caused by Failed O-ring,attributed to Ald Age.Ring Replaced

/03L-0 on 790427:during Routine Surveillance of safety-related snubbers,S-44 (LPIS Pump Discharge) Had No Visible Oil Level.Oil Leakage from Snubber Caused by Failed O-ring,attributed to Ald Age.Ring Replaced

ML18043A710
Person / Time
Site:	Palisades
Issue date:	05/25/1979
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18043A708	List: 05000255/LER-1979-021-03, /03L-0 on 790427:during Routine Surveillance of safety-related snubbers,S-44 (LPIS Pump Discharge) Had No Visible Oil Level.Oil Leakage from Snubber Caused by Failed O-ring,attributed to Ald Age.Ring Replaced 05000255/LER-1979-022-03, /03L-0 on 790426:during Routine Surveillance of safety-related snubber,S-9 (Main Steam Line) Had No Visible Oil Level.Oil Leakage from Snubber Caused by Failed O-ring,attributed to Old Age.Ring Replaced ML18043A707
References
LER-79-021-03L, LER-79-21-3L, NUDOCS 7906010252
Download: ML18043A710 (1)

LER-1979-021, /03L-0 on 790427:during Routine Surveillance of safety-related snubbers,S-44 (LPIS Pump Discharge) Had No Visible Oil Level.Oil Leakage from Snubber Caused by Failed O-ring,attributed to Ald Age.Ring Replaced

Event date:
Report date:
2551979021R03 - NRC Website

text

1 **

PALISADES NRC FORM366 17-77)

U.S. NUCLEAR REGULATORY* COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I 10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

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,5 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 \\.::.;

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B 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

• (I:ITJ I During routine sur~eillance of safety-related snubbers, S-44 (LPSI pump CTII1 disc_harge) had no visible oil level.* This is a degraded mode of operation (Q]IJ I permitted by TS 3. 20.1.

The snubber was restored to an operable status

@I[] I wj thin the time required by TS 3. 20.l.

Event had no adverse effect on

(())] I puoli c heal th or safety.

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C SEOUENTIAL OCCUR REN CE REPORT REVISION.

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44 47 OJ)) I Oil lealrnge from the snubber was caused by a failed 0-ring.

The 0-ring

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failure is attributed to age and the service conditions under which the

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snubber is used.

The snubber was replaced.

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