United States Nuclear Regulatory Commission - Protecting People and the Environment

SURRY 1 & 2                    28993 04-26-95 OTH
LICENSEE: SURRY 1 & 2
SITE: SURRY 1 & 2                           EN NUMBER:28993
DOCKET:                                  EVENT DATE: 04-26-95
RX TYPE:                                 EVENT TIME: 00:00
VENDORS:                                NOTIFY DATE: 06-27-95
EMERGENCY CLASS: N/A  REGION: 2 STATE: VA      TIME: 17:40
OPS OFFICER: DOUG WEAVER
10 CFR SECTION: CCCC  21.21               UNSPECIFIED PARAGRAPH

PART 21
                                                                 
VIRGINIA POWER REPORTED THAT ROSEMOUNT MODEL 1154SH9 PRESSURE
TRANSMITTERS ARE SUBJECT TO INSTRUMENT DRIFT GREATER THAN
SPECIFICATION WHEN SUBJECTED TO TEMPERATURE VARIATIONS.
                                                                 
THERE ARE 12 MODEL 1154SH9 PRESSURE TRANSMITTERS AT SURRY AND
SEVEN AT NORTH ANNA.  OF THE 12 PRESSURE TRANSMITTERS AT SURRY,
FOUR EXHIBITED EXCESSIVE INSTRUMENT DRIFT.  EXCESSIVE DRIFT HAS
NOT BEEN OBSERVED IN THE TRANSMITTERS PRESENTLY INSTALLED AT
NORTH ANNA.
                                                                 
                                                                 


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