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	Start date	Reporting criterion	Title	Event description
ENS 44445	28 August 2008 05:00:00	10 CFR 21.21, Notification of failure to comply or existence of a defect and its evaluation	Replacement Diaphragm Failures Due Inadequate Cure and Operation Over Maximum Pressure	Fisher was recently notified by Luminant, Comanche Peak SES of two replacement diaphragm failures. These diaphragms had been in service for approximately 3.1 years. The diaphragms lost frictional flange retention in a progressive type failure which transferred retention stress to the bolt/diaphragm interfaces and caused localized stresses great enough to initiate rupture. Rupture propagation occurred catastrophically in multiple directions and rapid loss of actuator pressure resulted and consequently, opening of the valve. This is applicable to all Fisher size 80, type 657 and 657NS sliding stem valve actuators sold to the nuclear industry by Fisher Controls International LLC that are equipped with nitrile/nylon diaphragms (Fisher part number 1R6375X0072). It is unknown what plants in addition to Comanche Peak are affected by this report.
ENS 44322	27 June 2008 05:00:00	10 CFR 21.21, Notification of failure to comply or existence of a defect and its evaluation	Part 21 Notification - Performance Affected on 3" Cl150 Fisher V150 Valve Assemblies	Purpose: The purpose of this Fisher Information Notice (FIN) is to alert FPL that as of 20 June, 2008, Fisher Controls International LLC became aware of the possibility of a situation which may affect the performance of the applicable equipment. Equipment Affected by This Information Notice: Items provided to FPL - Turkey Point per Fisher Order Number 010-A001017058,Item 0001, (FPL Order 00108848, Rev. 3). This equipment included 3" CL150 Fisher V150 valve assemblies (quantity 2). The equipment is identified by Fisher Serial Numbers 18497294 and 18497295 (FPL Tag Number 04224971). Applicability: This notice applies only to the subject equipment supplied by Fisher Controls International LLC, identified above, that was provided to FPL-Turkey Point. Fisher Controls has determined that the subject items did not meet the material requirements specified by the FPL Order 00108848, Rev. 3. Specifically the discrepancies are: TFE packing was provided instead of graphite packing. TCM seal rings were provided instead of HD metal seal rings. The difference in these parts will also require that a different seal protector ring be provided.
ENS 43472	27 June 2007 05:00:00	10 CFR 21.21, Notification of failure to comply or existence of a defect and its evaluation	Part 21 Notification - Fisher Type 67C Series Regulator Screw Fracture	The manufacturer provided the following information via facsimile: This is a summary of a communication that was sent to inform all Fisher customers of record. Fisher Controls has determined that a faulty batch of screws (Fisher Part Number T13526T0012) was used in the applicable constructions listed below. In some cases, a fracture occurred in the threaded shank, while in other cases the screw head fractured. Multiple screw fractures were also found on the same regulator. The screw fractures were found in four different product orders. The function of the screw depends on the type of construction: On all models, the screw retains the diaphragm between the body and the spring case (six screws per regulator). On the Types 67C and 67CR, the screws retain the bottom plate (four screws per regulator) On the Types 67CF and 67CFR, the screws retain the drip well (four screws per regulator). If the screw is compromised, the ability of the regulator to retain pressure or function correctly may be impaired. Any abnormal function of an instrument supply regulator might, in turn, cause unexpected behavior of the instrument itself due to supply pressure changes. These changes could result in a range of performance problems, up to a loss of process control. Fisher has stopped shipment of these products and is currently purging their inventory. This notice applies only to the subject equipment supplied by Fisher Controls International LLC that meets all of the following criteria: Can be any of the following constructions: Fisher Types 67C, 67CR, 67CF and 67CFR Instrument Supply Regulators or Type R130 Series Manifold Regulators. Must be manufactured in China between March 1 and June 15, 2007, with date of manufacture 3-07, 4-07, 5-07 or 6-07 stamped on the product. Action Required: No action is required for plants that do not have the subject equipment. Do not install any of the equipment specifically identified in this notice. If your plant has any of the equipment specifically identified by this notice or experienced problems regarding expected performance from these regulators, contact your local Fisher Representative Sales Office regarding appropriate corrective action. 10CFR21 Implications: The recipient of this notice is requested to review the information contained in this notice to determine its applicability to his/her facility. If no equipment meeting the applicability requirements listed above have been provided by Fisher Controls International LLC, then no further action is required. If equipment meeting the applicability requirements listed above have been supplied and used in a safety-related application, Fisher Controls requests that the recipient of this notice review it and take appropriate action in accordance with 10CFR21.

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