05000277/LER-1982-012

LER 82-012/03L-0:on 820517,pressure Drop Across Combined HEPA Filters & Charcoal Absorber Banks in Control Room Emergency Ventilation Sys Exceeded Tech Spec Limits.Caused by Pin on Connecting Linkage of Damper OBV-30 Falling Out

ML20054J301
Person / Time
Site:	Peach Bottom
Issue date:	06/11/1982
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-82-012-03L, LER-82-12-3L, NUDOCS 8206280450
Download: ML20054J301 (1)

LER-2082-012,

Event date:
Report date:
2772082012R00 - NRC Website

text

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Hr. R. C. Enynes, Director No. 2 82-12/3L-0 Office of Inspection & h foroament, Ession I U.S. Nuclear Begulatory waaion 631 Park Avenue IIng of Prussia, PA 1 % 06

Dear Mr. Baynes:

The L'.E.R. concerns the failure of Control room emergency I ventilation system to meet the requirements of Tech. Spec.

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[a_s ,j@v l0 l 0l 0l .o9 g Jgn ls_aZj g lZl9l9 u p lg e7 CAUSE DEseniPTioN ANDConRECTIVE ACTIONS 27 i o l Attachment pin on connecting linkage of damper OBV-30 had fallen out. I i , l The "C" type retaining clip has been replaced with a high integrity I

, I hair pin retainer after replacement of the pin. The system was I i

l returned to service and tested satisfactorily. Steps have been initiated El to replace clips with hair pins on balance of emergency vent s y st e m s .

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