ML19308D280
| ML19308D280 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/07/1977 |
| From: | Stewart W FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19308D102 | List: |
| References | |
| NUDOCS 8002270726 | |
| Download: ML19308D280 (2) | |
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purge system 7 uu p.
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Redundancy maintained by 7 il 9 IU
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$UPPLEMEffrARY INFORMATION 4
1.
Report No. :
50-30L. 1-63 2.
Facility:
Crystal River Unit #3 3.
Report Date:
7 July 1977 4
Occurrence Date:
15 June 1977 5.
Identification of Occurrence:
Failure of AHF-6A to start rendering the containment hydrogen purge system inoperable contrary to Technical Specification 3.6.4.2.
6.
Conditions Prior to Occurrence:
Normal Mode 1 power operation.
7.
Description of Occurrence:
At 1300, in the process of purging the Reactor Building, the Reactor Building cooling fan AHF-6A could not be started from the Control Room.
Investigation revealed loose ' lectrical connector on thermal overload heater. After tighten-e ing connection and operational check, fan was returned to service.
s 8.
Designation of Apparent Cause:
Loose electrical connection.
9.
Analysis of Occurrence:
The safety to the plant and general public was not affected as redundant Reactor Building cooling fan AHF-6E was operable and available.
10.
Corrective Action:
None required as this was.an isolated event.
11.
Failure Data:
This is the first occurrence of this event.
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