05000277/LER-1978-043-03, /03L-0 on 781019:snubber 23HBS-38 Found W/Unacceptable Bleed Rates & Locking Velocities.Caused by Clogged Bleed Orifices & Low Ambient Temp During Tests. Safety-related Snubbers Tested,Repaired & Recalib

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/03L-0 on 781019:snubber 23HBS-38 Found W/Unacceptable Bleed Rates & Locking Velocities.Caused by Clogged Bleed Orifices & Low Ambient Temp During Tests. Safety-related Snubbers Tested,Repaired & Recalib
ML19289F148
Person / Time
Site: Peach Bottom Constellation icon.png
Issue date: 11/17/1978
From: Cooney M
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19289F139 List:
References
LER-78-043-03L, LER-78-43-3L, NUDOCS 7906040329
Download: ML19289F148 (1)


LER-1978-043, /03L-0 on 781019:snubber 23HBS-38 Found W/Unacceptable Bleed Rates & Locking Velocities.Caused by Clogged Bleed Orifices & Low Ambient Temp During Tests. Safety-related Snubbers Tested,Repaired & Recalib
Event date:
Report date:
2771978043R03 - NRC Website

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8 60 61 OOCKET NUM8ER 68 69 EVENT DATE 74

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2 [Durina a refuelina outage, snubber 23HBS-38 on the HPCI turbine exhaust I

g lline was found wi th an empty reservoir (Tech.Soec.4.11.D.1). It was func-Itionally tested and failed to meet minimum bleed rate criteria.Durinq l

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I unctional testing per Tech. Spec.4.11.0.4 snubbers were found with un-l f

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O l Snubbers-Grinnel Models AH 1372 ASC,AH 1373 A,and AH 1423 A -unacceot-I l able bleed rates were-caused by clocaino of snub,ber bleed ori fi ces. Un-I i

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[ bient temperatures during functional testing.All safety-related snubbers 3

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