Engine Monthly Reliability Report
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This report displays information on reliability of engines of all aircraft in the reliability fleet.
The months for which information is displayed is based on the Analysis Period attribute in the Set Options activity. For example, the March 2008 report with the Analysis Period set to ‘12’ would show data beginning April, 2007 to March, 2008.
Report input: You must select the month and year and, the reliability fleet for the report in the Generate Reliability Report page. For further information, see the “Generate Reliability Report” topic.
Report output: This report is an Excel sheet and consists of one work sheet: Engine Monthly Reliability report.
The following consolidated information for the reliability fleet is available in the report.
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Total Monthly Engine Hours |
The sum total of engine hours recorded against all aircraft in the fleet. Note: If Engine Hours base parameter definition is not available in Set Base Parameters activity of Aircraft, Engine Hours will be calculated for the number of engines defined for Model Configuration Class (formula: FH * # of Engines). Alternately, if the system is not able to compute Engine Hours as per the formula, this will be displayed in terms of FH. |
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12 Months Average Monthly Engine Hours |
The 12-month running average of engine hours for all aircraft in the fleet. For example, the 12 month running average for February 2008 will include the engine hours recorded for the months starting March 2007 to February 2008. Note: If Engine Hours base parameter definition is not available in Set Base Parameters activity of Aircraft, Engine Hours will be calculated for the number of engines defined for Model Configuration Class (formula: FH * # of Engines). Alternately, if the system is not able to compute Engine Hours as per the formula, this will be displayed in terms of FH. |
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Total Monthly Engine Cycles |
The sum total of engine cycles recorded against all aircraft in the fleet. Note: 1. The Total Monthly Engine Cycles column is shown or hidden depending on the value of the parameter “Display Engine Cycles?” in the Set Options activity of Reliability Analysis. See Set Options activity Help for more details. |
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12 Months Average Monthly Engine Cycles |
The 12-month running average of engine cycles for all aircraft in the fleet. For example, the 12 month running average for February 2008 will include the engine cycles recorded for the months starting March 2007 to February 2008. Note: The 12 Months Average Monthly Engine Cycles column is shown or hidden depending on the value of the parameter “Display Engine Cycles?” in the Set Options activity of Reliability Analysis. See Set Options activity Help for more details. |
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Monthly Number of Engine In Flight Shut Downs |
The count of engine in flight shut downs of all aircraft in the fleet. |
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Monthly Engine In Flight Shut Downs Rate |
The ratio of Monthly Number of Engine In Flight Shut Downs of the reliability fleet to the Total Monthly Engine Hours of the reliability fleet. |
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12 Months Average Monthly Engine In Flight Shut Downs Rate |
The 12-month running average of Engine In Flight Shut Downs for all aircraft in the fleet. For example, the 12 month running average for February 2008 will include the Engine In Flight Shut Downs reported for the months starting March 2007 to February 2008. |
This report also presents a graph depicting the IFSD rate for the reliability fleet. The details of the graph are as follows,
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X-Axis |
Months |
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Y-Axis |
Line graphs represent the following,
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Aircraft required for reliability analysis must be mapped to the reliability fleet in the “Associate Aircraft to Fleet” page of the Set up Reliability Fleet activity. The aircraft must be mapped to the fleet during the reporting / concerned months. Alert levels must be set for the reliability fleet in the Set ATA Alert Levels” page of the same activity.
The Flight Ops Type of journey logs for which you require reliability analysis must be flagged in the Set Options activity.
The engine hours and engine cycles must be recorded in the Aircraft business component.
The engine in flight shut down details must be recorded and approved in the Flight Log component.
