LICENSEE: NIAGARA MOHAWK POWER CORP. SITE: NINE MILE POINT 2 EN NUMBER:30775 DOCKET: 05000410 EVENT DATE: 07-23-96 RX TYPE: BWR EVENT TIME: 00:00 VENDORS: GE-5 NOTIFY DATE: 07-23-96 EMERGENCY CLASS: N/A REGION: 1 STATE: NY TIME: 09:00 OPS OFFICER: STEVE SANDIN 10 CFR SECTION: CCCC 21.21 UNSPECIFIED PARAGRAPH UNIT SCRAM RX INIT INITIAL MODE CURR CURRENT MODE CODE CRIT PWR PWR 2 N Y 100 POWER OPERATION 100 POWER OPERATION DISCOVERY OF A CONDITION AFFECTING THE OPERABILITY OF CLOW (MANUFACTURER) VALVES INSTALLED IN THE UNIT 2 STANDBY GAS TREATMENT SYSTEM THE LICENSEE DETERMINED THAT CLOW (MANUFACTURER) VALVES IN THE STANDBY GAS TREATMENT SYSTEM HAVE A DOWEL PIN INSTALLED WHICH IS NOT PEENED IN PLACE. SHOULD THESE DOWELS COME LOOSE, IT COULD INTERFERE WITH THE VALVE LIMIT SWITCHES AND PREVENT THE MAKEUP OF CIRCUIT PERMISSIVES.