ML20085D077
| ML20085D077 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 07/10/1973 |
| From: | Furr B CAROLINA POWER & LIGHT CO. |
| To: | Oleary J US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20085D064 | List: |
| References | |
| NUDOCS 8307200324 | |
| Download: ML20085D077 (1) | |
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-4 IN ACCORDANCE WITH SECTION 6.6.2 0F THE TECHNICAL SPECIFICATIONS THE FOLLOVING ABNORMAL OCCURRENCE IS REPORTED AT 0830 ON JULY C
10 WHILE ROUTINELY PUTTING' CONTAINMENT FOR COOLER NUMBER TWO O
IN SERVICE, THE CIRCUIT BREAKER FOR THIS FAN TRIPPED. I NVESTIGATI ON REVEALED THAT THE TRIP WAS INITIATED BY INSTANTANEOUSLY OVER t.b OCCURRENCE CAUSED BY THE MISALIGNMENT OF THE INSTANTANEOUSLY O
I CALIBRATION SPRING IN THE OVER CURRENT TRIP DEVICE. THE DEVICE L.
WAS REMOVED, THE SPRING REALIGNED AND THE COOLING UNIT PUT IN SERVICE SATISFACTORILY AT 1007. TO PREVENT THE RECURRENCE OF THIS TRIP, ALL NEWLY INSTALLED TRIP DEVICES ARE BEING VISUALLY INSPECTED FOR PROPER SPRING ALIGNMENT. THIS UNIT HAD OPERATED L
SATISFACTORILY FOLLOWING THE INSTALLATION OF THE NEY TRIP DEVICE.
THIS WAS REPORTED TO MR HERB WHITTNER IN PERSON ON JULY 10, 1973.
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