05000289/LER-1978-012, Forwards LER 78-012/03L-0

Forwards LER 78-012/03L-0

ML19261F227
Person / Time
Site:	Crane
Issue date:	05/05/1978
From:	Herbein J METROPOLITAN EDISON CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19261F228	List: 05000289/LER-1978-012, Forwards LER 78-012/03L-0 05000289/LER-1978-012-03, /03L-0:on 780406,during Functional Tests,One Snubber DHH-187 Would Not Lock Up Upon Compression.Cause Undetermined.Valve Block Replaced & Satisfactory Test Made
References
GQL-0841, GQL-841, NUDOCS 7910250652
Download: ML19261F227 (2)

LER-1978-012, Forwards LER 78-012/03L-0

Event date:
Report date:
2891978012R00 - NRC Website

text

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ff REGULATORY INFORMATION DISTRIDUTION SYSTEM (RIDS)

DISTRIBUTION FOR INCOMING MATERIAL 50-289 REC: GRIER B H ORG: HERBEIN J G DOCDATE: 05/05/78 NRC METROPOL EDISON DATE RCVD: 05/15/78 l

SUBJECT:

LTR 1 ENCLI FORWARDING LICENSEE EVENT REPT (RO 50-289/78-012) ON 04/06/78 CONCERNING DURING FUNCTIONAL TESTING OF SHOCK AND SWAY SUPPRESSORS, ON SNUBBER DHH-187 WOULD NOT LOCK UP UPON COMPRESSION.

PLANT NAME:THREE MILE ISLAND - UNIT 1 REVIEWER INITI AL:

XJM DISTRIBUTOR INITIAL: LL(

• • • • • • • • • • • • • • • • • DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS **********<*******

INCIDENT REPORTS (DISTRIBUTION CODE AOO2)

FOR ACTION:

BR CHIEF-REIC-ENCL

([REGFILE**W/Eh INTERNAL:

NRC PDR**W/ ENCL i & Ewaw/z LNCL MIPC**W/3 ENCL SCHROEDER/IPPOLITO**W/ ENCL HOUSTON **W/ ENCL NOVAK/ CHECK **W/ ENCL EEB**W/ ENCL KNIGHT **W/ ENCL BUTLER **W/ ENCL HANAUER**W/ ENCL TEDESCO**W/ ENCL EISENHUT**W/ ENCL BAER**W/ ENCL SHAO**W/ ENCL VOLLMER/ BUNCH **W/ ENCL KREGER/J. COLLINS **W/ ENCL ROSA **W/ ENCL K SEYFRIT/IE**W/ ENCL EXTERNAL:

LPDR'S HARRISBURG, PA**W/ ENCL TIC **W/ ENCL NSIC**W/ ENCL ACRS CAT B**W/16 ENCL COPIES NOT SPD"ITTED PEP P2cULATORY CUIDE 10.1 1481 200 DISTRIBUTION:

LTR 45 ENCL 45 CONTROL NBR:

781320064 SIZE: 1P+2P THE END 7910250((j3-)}

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CST OFFICE BOX 542 R E ADING. PE NNSYLV ANI A 19603 TELEPHONE 215 - 929-3601 May 5, 1978 GQL 08h1 Mr. 3. H. Grie r, Director

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7 Office of Ins ;ection and Enforcement, Region 1 i

'da ?inry n;ch** Q U. S. Nucles" Regulatory Cc=missicn

'7 57Q,"c 631 Park Avenue King of Prussia, Pennsylvania 19h06

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Dear Sir:

Three Mile Island Nuclear Station, Unit 1 Operating License No. DPR-50 Docket No. 50-289 In accordance with Section 6.9 2.B(2) of our Technical Specifications we huve attached Licensee Event Report 78-12/03L-0.

Sincerely,

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N J. G. Herbein Vice President-Generatien JGH:DGM:tas Attachment 7812200'N dd2 8

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