ML20085D157
| ML20085D157 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 06/06/1973 |
| From: | Furr B CAROLINA POWER & LIGHT CO. |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20085D135 | List: |
| References | |
| NUDOCS 8307200571 | |
| Download: ML20085D157 (2) | |
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- 214P EDT JUN 6 73 AB154 AAD175(1249)(2-102498E157)PD
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8033321351 TDMT HARTSVILLE SC 143 06-06 1249P EST
} 1., 79, /.,L PMS MR NORMAN C MOSELY DIRECTOR REGION 2 AEC DIRECTORATE OF REGULATORY OPERATION,~DLR E-;..i. '.;#
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230 PEACHTREE ST 3:i 3
Ndh,Q ATLANTA GA 30303 IN ACCORDANCE WITH SECTION 6.6.2 0F THE TECHNICAL SPECIFICATION, N:fl '.,
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THE FOLLOWING ABNORMAL OCCURANCE IS REPORTED:
AT 1450 HOURS ON 6-5-73, WHILE INVESTIGATING AND ABNORMAL INDICATION 9 l ;! ' ::
@ q.11 ON THE NARROW RANGE CONTAINMENT PRESSURE INDICATUR, IT WAS W O,s.f m.
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FOUND THAT 3 3/8 INCH VENT VALVES ON THE PRESSURE SENSING LINE i se s+
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TO ALL CONTAINMENT PRESSURE TRANSMITTERS WERE OPEN.
THIS RESULTED 1.*Tpi.-Y IN ERR 0NEOUS SIGNALS TO PT'S 950, 951, 952, 953, 954, AND 955, l
d.Nh WHICH SUPPLY INPUTS TO RTGB INDICATURS AND SAFEGUARD RACKS.
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O M $v.,,Q u.im (nu23 g.u THE VENT VALVES WERE CLOSED AND PLUGS INSTALLED TO PREVENT RECURRENCE S
OF THIS INCIDENT. AS A FURTHER PRECAUTION, THESE VALVES HAVE a
BEEN ADDED TO THE CHECK OFF SHEET WHICH ESTABLISHES CONTAINMENT INTEGRITY.
THIS INCIDENT HAS BEEN REVIEWED BY THE PLANT NUCLEAR SAFETY COMMITTEE AND SAFE REACTOR OPERATION IS ASSURED.
ST.1201 (RM9)
THIS WAS REPORTED TO MR BILL SIEDLE OF DRO BY TELEPHONE ON 6-6-73.
MRBENNYJFURR, MANAGER /[5' ROBINSON;SESPLANT T' T.. '
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DR ADOCK 05000261
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JUN 7 UU Telegram from Carolina Power and Light Company, Benny J. Purr, dated 6/6/73 50-261 cc w/cncli
!!. D. Thornburg(2), PD
- 11Q (5)
DR Central Files Regulatory Standards (3)
Directorate of Licensing (13)
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