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4. Analysis procedure for propulsion systems/means
The method for determining scheduled maintenance tasks and their intervals uses a multi-level decision logic diagram.
The proposed logic is based on a technical assessment of each Maintenance Significant Item (MSI). An MSI item is an entity that has been identified by the manufacturer and whose failure may :
affect aircraft safety on the ground or in flight;
be undetectable during aircraft operation;
have a significant operational impact;
have significant economic repercussions.
Remember that the SAI's role in the MRB procedure is to validate the selection of MSIs proposed by the manufacturer, as described in section
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Analysis procedure for propulsion systems/means
Analysis procedure for aircraft structures
Bibliography
Software tools
RELIASOFT, 2015, Synthesis, [MPC10 software for MSG-3], United States http://www.reliasoft.com
PTC, 2015, PTC Windchill MSG-3, [PTC Windchill software for the MSG-3], United States http://fr.ptc.com/
Websites
European Aviation Safety Agency website https://easa.europa.eu/regulations (consulted in September 2015)
Standards and norms
- 747 Maintenance Steering Group, Handbook : Maintenance Evaluation and Program Development - ATA – MSG-1 - 1968
- Airline/Manufacturer Maintenance Program Planning Document - ATA – MSG-2 - 1970
- Operator/Manufacturer Scheduled Maintenance Development, Volume 1 – Fixed wing aircraft and MSG-3: Operator/Manufacturer Scheduled Maintenance Development, Volume 2 – Rotorcraft - ATA – MSG-3 - 2013
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