ML17317B544
| ML17317B544 | |
| Person / Time | |
|---|---|
| Site: | 05000447, 05000531, 05000550 |
| Issue date: | 10/11/1978 |
| From: | Sherwood G GENERAL ELECTRIC CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| MFN-385-78, NUDOCS 7810180108 | |
| Download: ML17317B544 (2) | |
Text
U. S. NUCLEAR REGULATORYCOMMISSION LICENSEE EVENT REPORT CONTROL BLOCK:
Q1 (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)
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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T soo'RR,~LQR 0
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8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10
~o2 ON 8-28-78 DURING A RAPID LOAD REDUCTION FROM 100Ã to 805 THE AXIAL FLUX DIFFERENCE WENT OUTSIDE THE TARGET BAND.
THE AXIAL FLUX DIFFERENCE WAS RESTORED TO WITHIN THE
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'ARGET BAND IN 12 MINUTES IN COMPLIANCE WITH THE 15 MINUTE ACTION RE UIREMENT OF 6
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SINCE THE TIME OUTSIDE eTHE TARGET BAND WAS LIMITED, PEAKING FACTORS WERE NOT SUFFICIENTLY ALTERED BY XENON REDISTRIBUTION UPON THE SUBSEQUENT RETURN TO RATED THERMAL POWER TO CAUSE ANY PROBABLE ADVERSE CONSEQUENCES' B
SIMILAR OCCURRENCE; 050-.315 78-.013 80 7
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10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LF RIRO EVENTYEAR REPORT NO.
CODE TYPE NO.
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~03 QL LJ LOJ 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDC PRIME COMP.
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SUPPLIER MANUFACTURER
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REPAIRS TO TWO S
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PREVENT. A LOH'ACUUM TRIP UNTIL THE STEAM WAS RESTORED.
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HERE BORATED OUT TO RESTORE THE'XIAL FLUX TO WITHIN THE TARGET BAND AND POWER W
RETURNED TO 100K.
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10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY~
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10 44 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 7 ~00 0 Qsl Z
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11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION 41 9 ~00 0
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11 12 LOSS OF OR DAMAGETO FACILITYQ43 TYPE DESCRIPTION 9
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10 PUBLICITY 7
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68 69 (616) 465-,5901 DISCOVERY DESCRIPTION Q32 OPERATOR OBSERVATION LOCATIONOF'ELEASE Q NA
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