ML19208B447

LER 79-035/03L-0:on 790826,drive Belt on Reactor Coolant Leak Detection Air Sampling Sys Was Found Broken.Caused by Misalignment of Drive Sys Sheaves Which Caused Drive Belt to Wear & Break.Sheaves Realigned & New Belt Installed

ML19208B447
Person / Time
Site:	Pilgrim
Issue date:	09/14/1979
From:	Fulton J BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19208B443	List: ML19208B442 ML19208B447
References
LER-79-035-03L, LER-79-35-3L, NUDOCS 7909200315
Download: ML19208B447 (1)

Text

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LICENSEE EVENT REPORT

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DOCKET NUMUER EVENT DESCRIPTION AND PROB ADLE CONSEQUENCES h o 7 l On Augist 26, 1979 at 0912 the drive belt on the reactor coolant leak detection l g 3 g air sampling system (Panel C-19) was found broken.

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44 CAUSE DCtCRIPTION AND CORRECTIVE ACTIONS h i oil The drive system sheares were fot nd misaligned. This caused the drive belt to wear I lil(; j andevenkuallybreak. The sheaves were realigned, e new bel t installed and the I j,;7gl system returned to normal on August 28, 1979. I i a l l i 4 l . I 7 8 9 80 ST S r THER STATUS 15 V RY DISCOVERY DESCRIPTION i 5 8

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