Table 1, Maintainability Analysis Worksheet

-------------------------------------------------------------------------------------------------------------------------------------------------------

| |

| SAM Power Supply System Assemblies |

| |

|-----------------------------------------------------------------------------------------------------------------------------------------------------|

| | | | Average Corrective Maintenance Task Times--Minutes | | | |

| | | |--------------------------------------------------------------| | | |

| Qty.| Assembly Name |Failure Rate |Locali- |Isola- |Dissas- |Inter- |Reas- |Align- |Check- |Repair |Repair | n x λ x Mct |

| (n) | Parts List / Schematic No. |λ ~PPM Hours |zation |tion |sembly |change |sembly |ment |out |Time:Mct|Time:Mct| ~Hours |

| | | | | | | | | | |~Mins. |~Hours | |

|-----|----------------------------------|-------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|-------------|

| | | | | | | | | | | | | |

| 1 | Encoder | 5.21364 | 4.00 | 4.00 | 3.00 | 3.00 | 3.00 | 4.00 | 4.00 | 25.00 | 0.42 | 2.18973 |

| | 20844941 | | | | | | | | | | | |

| | | | | | | | | | | | | |

| 2 | Decoder | 100.00000 | 4.00 | 4.00 | 2.50 | 2.50 | 2.50 | 4.00 | 4.00 | 23.50 | 0.39 | 78.00000 |

| | 20844942 | | | | | | | | | | | |

| | | | | | | | | | | | | |

| 1 | Converter | 3.11862 | 4.00 | 4.00 | 2.00 | 2.00 | 2.00 | 4.00 | 4.00 | 22.00 | 0.37 | 1.15389 |

| | 20844943 | | | | | | | | | | | |

| | | | | | | | | | | | | |

| 2 | Splitter | 2.31420 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 28.00 | 0.47 | 2.17535 |

| | 20844944 | | | | | | | | | | | |

| | | | | | | | | | | | | |

| 1 | Drawer No. 1 | 4.00000 | 3.00 | 4.00 | 3.00 | 3.00 | 3.00 | 4.00 | 4.00 | 24.00 | 0.40 | 1.60000 |

| | 50280001 | | | | | | | | | | | |

| | | | | | | | | | | | | |

| 1 | Drawer No. 2 | 8.00000 | 3.00 | 4.00 | 3.00 | 3.00 | 3.00 | 4.00 | 4.00 | 24.00 | 0.40 | 3.20000 |

| | 50280002 | | | | | | | | | | | |

-------------------------------------------------------------------------------------------------------------------------------------------------------

Page Totals: 122.64646 146.50 2.45 88.31897

Grand Totals: 122.64646 146.50 2.45 88.31897

λ ~PPM Hours = Failure Rate in Parts Per Million Hours.

Mct = Corrective Maintenance Task Time for the LRU.

LRU = Line Replacable Unit (Circuit Board, Module, etc.)