ML19343C260

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RO 77-4/1P:on 770413,while Removing Insulation to Repair Heat Tracing on Boric Acid Pump Suction Line B,Through Wall Cracks Found in Two Elbows.Leaks Sealed W/Stainless Steel Devcon Similar to Piping Matl
ML19343C260
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 04/14/1977
From: Graves R
CONNECTICUT YANKEE ATOMIC POWER CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
CYH-77-127, RO-77-4-1P, NUDOCS 8103040875
Download: ML19343C260 (1)


Text

_

CONNECTICUT YANKEE AT O MIC POWER COMPANY C' )'

HADDAM NECK PLANT RR e t. BOX 127E. EAST HAMPTON. CONF 4. 06424 f)

April 14, 1977 CYH 77-127 C'

QUATORlDOCETFLECDPJ q%

3' 1 't 9,_ I'. ' l H' U. S. Nuclear Regulatory Commission f.y Region 1 Office of Inspection and Enforcement 631 Park Avenue 19406 King of Prussia, Pennsylvania Attn: Mr. James P. O'Reilly, Director Facility Operation License No. DPR-61

Reference:

Docket No. 50-213 Reportable Occurrence 77-1/IP

Dear Mr. O'Reilly:

In accordance with the reporting requirements of Connecticut Yankee Technical Specifications, Section 6.9.2.a, the following Preliminary Report LER 77-4/lP concerning leaks in the IB boric acid pump suction piping is hereby submitted. 13, 1977 at 1400 hours while removing insulation to repair the On April heat tracing on the "B" boric acid pump suction line, two elbows were observed to have through wall cracks. The leaks were sealed with stainless steel devcon similar to the piping material. The system is 150#, 2500F vith A312 stainless steel elbows. A preliminary investigation determined that the piping system will perform its intended normal and safety related functions. ) A follow up report will be submitted in 14 days. Very truly y,ours, Yb ff 8(. Richard H. Graves Plant Superintendent PHG:JHF/jhb (30) .Dir., Office of Inspection and Enforcement, Wash., D. C. (3) Dir., Office of Management Information and Program Control, Wash., D. C. cc: )~1///0/50 ( .}}