Attachment 10d.4 – E151 – Media Converter 04-FMECA.xlsx
XLSX spreadsheet 35 KB Posted
- Solicitation number
- W31P4Q-20-R-0015
About this file
This document contains a preliminary failure modes and effects analysis (FMECA) for an E151 media converter component used in a shelter for the WIN-T AXX system. The analysis identifies four potential failure modes: does not operate, intermittent operation, degraded functional operation, and no failure. Failure causes are listed as hardware or software issues. Effects are described at the component, next higher system, and overall shelter levels. Severity classifications are proposed and mitigation from redundant equipment carriers is noted. Compensating provisions like operator observation and visual indicators are identified. The related opportunity appears to be a draft request for proposal for low rate initial production and full rate production of Integrated Battle Command System hardware end items. The RFP seeks to produce hardware to technical data packages and specifications, and may require engineering changes for obsolescence, new capabilities, or export. No proposals are being sought from the draft posted.
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Text version
Pivot Table
| Row Labels | Sum of Cm | Count of Failure Mode Description |
| Does not operate | 1.48E-05 | 2 |
| Intermittent | 6.72E-06 | 1 |
| Degraded (Functional) | 0.00E+00 | 1 |
| Grand Total | 2.15E-05 | 4 |
Prelim Analysis
| PRELIMINARY ANALYSIS: | Major End Item: | Shelter | |||
| Parent LRU: | E151-Media Converter-04 (RED) | ||||
| Component: | MEDIA CONVERTOR, WIN-T AXX | ||||
| Mission Phase-Operational Mode: | All Phases | ||||
| Cr = ∑Cm = | 2.15E-05 | ||||
| Failure Modes | Count of | ||||
| Failure Modes | Severity | ||||
| Classifications | Count of |
Seveverity Classification Failure Modes Sum of Cm Count of Failure Modes
| Does not operate | 2 | 50.0% | Category II | 2 | Does not operate | 1.48E-05 | 2 |
| Degraded (Functional) | 1 | 25.0% | Does not operate | 1 | Intermittent | 6.72E-06 | 1 |
| Intermittent | 1 | 25.0% | Intermittent | 1 | Degraded (Functional) | 0.00E+00 | 1 |
| Grand Total | 4 | Category III | 1 | Grand Total | 2.15E-05 | 4 | |
| Does not operate | 1 | ||||||
| Category IV | 1 | ||||||
| Degraded (Functional) | 1 | ||||||
| Grand Total | 4 |
Cat I and II
| Major End Item: | Shelter | ||||||||||||||||||||
| Parent LRU: | E151-Media Converter-04 (RED) | ||||||||||||||||||||
| Component: | MEDIA CONVERTOR, WIN-T AXX | ||||||||||||||||||||
| Mission Phase-Operational Mode: | All Phases | ||||||||||||||||||||
| FPMH: | 9.5583 | ||||||||||||||||||||
| t: | 72 | ||||||||||||||||||||
| Cr = ∑Cm = | 2.75E-04 | ||||||||||||||||||||
| Modified Cr = | 4.30E-05 | ||||||||||||||||||||
| Due to the EOC Redundancy the Severity Classifications can be reduced Severity Classification III-2R | |||||||||||||||||||||
| Failure Effect at | Failure Detection Method | Compensating Provisions | |||||||||||||||||||
| ID# | Function | Failure Mode Description | Failure Cause | Local Failure Effects | Next Higher Level Failure Effects | Major End Item Failure Effects | Safety | ||||||||||||||
| Consideration | Safety Impact | Operator Observation | Visual Indicator | C-Bit | |||||||||||||||||
| Capabilities | Severity | ||||||||||||||||||||
| Classification | Alternate Design | ||||||||||||||||||||
| Modifications | Modified Severity | ||||||||||||||||||||
| Classification | β | βmod | α | λP | Cm | Mod Cm | |||||||||||||||
| 6339 | CONVERTS FIBER TO COPPER - FOR WIN-T RED DATA | Does not operate | Hardware failure or software defect | Loss of function | Loss of WIN-T Red Data | Degraded Mission due to loss of External Sensor Data | N/A | N/A | OB-420-80 | N/A | TBD | Category II | EOCs are Redundant | Category III-2R | 0.50 | 0.05 | 0.5000 | 9.56E-06 | 1.72E-04 | 1.72E-05 | |
| 6340 | CONVERTS FIBER TO COPPER - FOR WIN-T RED DATA | Intermittent | Hardware failure or software defect | Intermittent continuity | Probable Loss of WIN-T Red Data | Probable Degraded Mission due to loss of External Sensor Data | N/A | N/A | OB-420-80 | N/A | TBD | Category II | EOCs are Redundant | Category III-2R | 0.50 | 0.05 | 0.2500 | 9.56E-06 | 8.60E-05 | 8.60E-06 |
Data E151
| Major End Item: | Shelter | ||||||||||||||||||||
| Parent LRU: | E151-Media Converter-04 (RED) | ||||||||||||||||||||
| Component: | MEDIA CONVERTOR, WIN-T AXX | ||||||||||||||||||||
| Mission Phase-Operational Mode: | All Phases | ||||||||||||||||||||
| FPMH: | 0.7463 | ||||||||||||||||||||
| t: | 72 | ||||||||||||||||||||
| Cr = ∑Cm = | 2.15E-05 | ||||||||||||||||||||
| Modified Cr = | 3.36E-06 | ||||||||||||||||||||
| Due to the EOC Redundancy the Severity Classifications can be reduced Severity Classification III-2R | |||||||||||||||||||||
| Failure Effect at | Failure Detection Method | Compensating Provisions | |||||||||||||||||||
| ID# | Function | Failure Mode Description | Failure Cause | Local Failure Effects | Next Higher Level Failure Effects | Major End Item Failure Effects | Safety | ||||||||||||||
| Consideration | Safety Impact | Operator Observation | Visual Indicator | C-Bit | |||||||||||||||||
| Capabilities | Severity | ||||||||||||||||||||
| Classification | Alternate Design | ||||||||||||||||||||
| Modifications | Modified Severity | ||||||||||||||||||||
| Classification | β | βmod | α | λP | Cm | Mod Cm | |||||||||||||||
| 6338 | CONVERTS FIBER TO COPPER - FOR WIN-T RED DATA | Does not operate | Hardware failure or software defect | Loss of function | Loss of WIN-T Red Data | Degraded Mission due to loss of External Sensor Data | N/A | N/A | OB-450-01 | VI-055-01 (Shelter PDP CB-18 Trips when Reset) | TBD | Category III | EOCs are Redundant | Category III | 0.05 | 0.05 | 0.5000 | 7.46E-07 | 1.34E-06 | 1.34E-06 | |
| 6339 | CONVERTS FIBER TO COPPER - FOR WIN-T RED DATA | Does not operate | Hardware failure or software defect | Loss of function | Loss of WIN-T Red Data | Degraded Mission due to loss of External Sensor Data | N/A | N/A | OB-420-80 | N/A | TBD | Category II | EOCs are Redundant | Category III-2R | 0.50 | 0.05 | 0.5000 | 7.46E-07 | 1.34E-05 | 1.34E-06 | |
| 6340 | CONVERTS FIBER TO COPPER - FOR WIN-T RED DATA | Intermittent | Hardware failure or software defect | Intermittent continuity | Probable Loss of WIN-T Red Data | Probable Degraded Mission due to loss of External Sensor Data | N/A | N/A | OB-420-80 | N/A | TBD | Category II | EOCs are Redundant | Category III-2R | 0.50 | 0.05 | 0.2500 | 7.46E-07 | 6.72E-06 | 6.72E-07 | |
| 6341 | CONVERTS FIBER TO COPPER - FOR WIN-T RED DATA | Degraded (Functional) | Hardware failure or software defect | Loss of noncritical function | Loss of noncritical function | Loss of noncritical function | N/A | N/A | OB-420-80 | N/A | TBD | Category IV | EOCs are Redundant | Category IV | 0.00 | 0.00 | 0.2500 | 7.46E-07 | 0.00E+00 | 0.00E+00 |
Sheet1
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