ML19317F838

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RO-77-10:on 770829,35 of 81 Safety Sys Hydraulic Snubbers Failed to Meet Lockup Velocity Criteria During Functional Testing.Snubbers Will Be Disassembled,Examined for Failure Causes,Rebuilt or Adjusted, & Retested
ML19317F838
Person / Time
Site: Rancho Seco
Issue date: 09/29/1977
From: Mattimoe J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F827 List:
References
NUDOCS 8002210584
Download: ML19317F838 (1)


Text

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7 89 80 r" gg l started on August 29, 1977. The first two snubbers in the sample of 10 failed to meet l" 7 89 80 gg l lockup velocity criteria. Management decided to test all safety system snubbers l

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3E l rather than the additional 20% required af ter 2 failures. A total of 35 out of 81 l -

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7 CAUSE CESCRPTION g lFollowing completion of the testing, all failed snubbers will be disassemble ~d, l,

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7 89 11 12 13 80 PERSONNEL INJURIES NUM8tR QESCRIPTION BE l ol ol ol I l

a 7 89 11 12 80 OFFSITE CONSEGUENCES 35 l Minimal to none.

l 7 89 80 LOSS OR DAMAGE TO FAC UTY TYPE DESCRIPTION

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I 7 89 10 80 PUBUCITY Ql Local newspapers and wire services notified.

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I-89 80 MI I-7 89 60 7 R. W. Colombo /F T. Eisenhuth PHONE:

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