ML20134D961
| ML20134D961 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 07/31/1985 |
| From: | Morgan R, Scott A CAROLINA POWER & LIGHT CO. |
| To: | Taylor J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| References | |
| RNPD-85-2118, NUDOCS 8508190487 | |
| Download: ML20134D961 (4) | |
Text
1 Enclosure to Ssric1:.RNPD/85-2118
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Pue 3 of 3 UNITSHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
050-0261 UNIT NAME H. B. Robinson d
DATE OR-02-R5 COMPLETED RY AM e, F <:< nee REPORT MONTil Julv TELEPHONE tann ant _ AOA
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Licensee
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Cause & Corrective
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Date g
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jg5 Event EI a
Action to cs E 5
j;gg Report 't
'E U Prevent Recurrence H
6 0701 850704 S
26.4 B
1 ZZ ZZZZZ Ramping down to 10% power to repack feedwater regulating valves.
0702 850705 F
16.23 3
LER 85-15 1A INSTRU While ramping down for :naintenance on the feedwater regulating valves, the reactor tripped on "C" steam genera-tor low-level coincident with a steam flow / feed flow (SF/FF) mismatch. The low-1cvel was due to a blockage in a
. level transmitter. The SF/FF mis-match was due to a problem with the operation of a steam valve to the moisture separator reheater causing a steam spike. The level transmitter sensing line was flushed to remove
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the blockage, and a transformer was replaced in the valve control circuit I
2 3
4 F: Forced Reason:
Method:
Exhibit G. Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance of Test 2-Manual Scrarn.
Entry Sheets for licensee C-Refueling 3-Automatic Scram.
Event Report (LI:R) Fde (NUREG-D Regulatory Restriction 4-Other (Explain) 0161) ^
E4perator Training a license Exanunation e
F-Adnunistrative 5
G-Operational Ewer (Explain)
Exhibit I - Same Source 19/77) llother (Esplain),
=
Cp&L Carolma Power & Light Company
- amenneren ROBINSON NUCLEAR PROJECT DEPARTMENT POST OFFICE BOX 790 j
HARTSVILLE, SOUTH CAROLINA 29550 AUG 101985 Robinson File No:
15505 berial:
RNPD/85-2118 Mr. James M. Taylor, Director Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.
20555 H. B. ROBINSON STEAM ELECTRIC PLANT, UNIT NO. 2 DOCKET No. 50-261 LICENSE NO. DPR-23 l
MONTHLY OPERATIONS REPORT
Dear Mr. Taylor:
l In accordance with Technical Specification 6.9.1.c for the H. B. Robinson Steam Electric Plant, Unit No. 2, Carolina Power & Light Company herewith submits the report of operation statistics and shutdown experience for the month of July, 1985.
Very truly yours, bh4 /
i R. E. M an General Manager j
H. B. Robinson S. E. Plant DCS/sdm 1
Enclosure cc:
R. A. Hartfield (2)
J. N. Grace (1) l l
y
.