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Maintenance Programme is a document containing the maintenance requirements/tasks that needs to be carried out on an aircraft in order to ensure its continuing airworthiness.
The maintenance programme must be produced for each aircraft type by the Operator (AOC Holder) and subsequently approved by the NAA. For Commercial Air Transport (CAT) and Large Aeroplanes MTOW above 13000 Kg, Maintenance Programme is initially developed based on the Maintenance Review Board Report (MRBR) and Maintenance Planning Document (MPD); however as the MRBR for such aircraft is developed based on MSG-3 Logic, the Operator must monitor the effectiveness of its maintenance programme(s) by developing and running a Reliability Programme. Reliability Programme requires collection of data from different sources, analysis of such data to identify trends and addressing any reliability issues by taking effective corrective actions. Such corrective actions can be in the form of amending maintenance programme to increase tasks frequencies; therefore over a period of time, an Operator’s maintenance programme evolves based on its own operational experience. Sometimes operators use Reliability data to justify the escalation of task intervals within the maintenance programme. This is perfectly acceptable as the escalation process requires statistical evidence based on factual data collected from operational experience, however maintenance task escalations related to critical systems or components must be scrutinised from system safety point of view. System design must be reviewed carefully and risk based decisions must be made to avoid any catastrophic failure. Alaska Airlines MD83 Crash in Jan 2000, which was due to a failed stabiliser jackscrew, is a typical example of how such maintenance tasks escalations crucially affect airworthiness of the aircraft.
- Annex 6, Chapter 8, Item 8.3 (Edition 9, July 2010). Note* ICAO Annex 6 is included in ICAO Search
- Annex 8, Part 3, Chapter 10, Item 10.3 (Edition 11, July 2010). Note* ICAO Doc 7030 is included in ICAO Search
- Airworthiness Manual (Doc 9760) Volume 1, Chapter 6, Item 6.6 (Edition 1, 2001)
- FAR 121.367: Maintenance, preventive maintenance, and alterations programs
- FAR 121.374 Continuous airworthiness maintenance program (CAMP) for two-engine ETOPS
- FAR 135.419: Approved inspection program