Part 21 Report - 1996-750
LICENSEE: AUTOMATIC VALVE
SITE: AUTOMATIC VALVE EN NUMBER:31229
DOCKET: EVENT DATE: 10-28-96
RX TYPE: EVENT TIME: 00:00
VENDORS: NOTIFY DATE: 10-28-96
EMERGENCY CLASS: N/A REGION: 3 STATE: MI TIME: 12:13
OPS OFFICER: CHAUNCEY GOULD
10 CFR SECTION: NINF INFORMATION ONLY
CCCC 21.21 UNSPECIFIED PARAGRAPH
AUTOMATIC VALVE WAS NOTIFIED BY COMMONWEALTH EDISON-QUAD CITIES
THAT A MAIN STEAM ISOLATION VALVED FAILED TO CLOSE WITHIN THE 3-5
SECONDS REQUIRED BY THEIR TS. FURTHER INSPECTION BY AUTOMATIC
VALVE PERSONNEL DETERMINED THAT THE "6910-0X0" SOLENOID PLUNGER
WAS TOO LONG. THE PROBABLE CAUSE FOR THE INCORRECT LENGTH
APPEARED TO BE A MISSED MACHINING OPERATION AT TIME OF
MANUFACTURE.
AUTOMATIC VALVE VERIFIED THAT ALL SOLENOID PLUNGERS OF THIS TYPE
IN THEIR STOCK WERE THE CORRECT LENGTH AND ADDED A SPECIFIC
INSPECTION REQUIREMENT FOR ALL FUTURE PLUNGERS. AUTOMATIC VALVE
REQUESTED THAT ALL CUSTOMERS WHO RECEIVED KITS WITHIN THE LAST 2
YEARS CONTAINING THIS TYPE PLUNGER TO VERIFY THE PLUNGER LENGTH.
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