Scheduled Maintenance Program Seminar - 1. Introduction

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AIRBUS S.A.S. All righ ts reserved. Confidential and proprietary docum ent.

1. Introduction

2. Maintenance Program (MP)

3. Scheduled Maintenance Development

4. Maintenance Program Establishment

5. Maintenance Concept

6. Maintenance Planning

7. Conclusion

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Scheduled Maintenance Seminar

Table of Contents


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1. Introduction

4 Scheduled Maintenance Objectives4 Scheduled Maintenance Instructions

4 Scheduled Maintenance Definitions






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Table of Contents


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AIRBUS S.A.S. All righ ts reserved. Confidential and proprietary docum ent. 3

1. Introduction

4 Scheduled Maintenance Objectives4 Scheduled Maintenance Instructions








Table of Contents


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IntroductionScheduled Maintenance Objectives

Safety & reliability is the prime concern/factor when considering aircraftmaintenance

Guarantee continue airworthiness of the aircraft

Accomplish these goals at a minimum total cost

Cost of preventive maintenance < Cost of failure consequences

Highly regulated environment

Operational reasons

Ensure good technical condition of the aircraft to enable the operationswithout technical interruptions

e.g. delays, cancellations, in-flight turn-backs

The asset value is also a major driver

Leased aircraft

Sold aircraft

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1. Introduction

4Scheduled Maintenance Objectives

4 Scheduled Maintenance Instructions







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Table of Contents



IntroductionScheduled Maintenance Instructions

Scheduled Maintenance is described in airworthiness codes

The most widely used and influential codes are:

Certification Specification (CS) of the EASA (Europe)

Federal Aviation Regulations (FAR) of the FAA (USA)

EASA CS Part 25 appendix H identifies Scheduled MaintenanceInstructions for Continuous Airworthiness (ICAs)

ICA shall be prepared by the aircraft manufacturer (OEM)

Outcome of ICA preparation

What item to inspect (system, equipment, structure element, engine,APU)

When to inspect (frequency)

To which extent (general, detailed, NDT inspection)

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1. Introduction

4Scheduled Maintenance Objectives

4 Scheduled Maintenance Instructions







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Table of Contents




IntroductionScheduled Maintenance Definitions

Scheduled Maintenance

Routine

MaintenanceNon Routine

Maintenance

Unscheduled

Maintenance

Hard-timeComponent

exchanges


Also known as Preventive Maintenance

That maintenance performed at defined intervals to retain an item in a

serviceable condition, by systematic inspection for detection and /orreplacement of wearout items, adjustment, calibration, cleaning, etc.

Preventive process: known deterioration of an item is limited to anacceptable level by the maintenance actions which are carried out at

periods related to time in service (e.g. calendar time, number of cyclesnumber of landings).

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Routine

Maintenance

Unscheduled

Maintenance

Hard-timeComponent

exchangesNon RoutineMaintenance

Routine maintenanceThe routine maintenance is defined by the maintenance requirements forinspection and or servicing that are listed in the Maintenance Program.

Non-routine maintenanceRectification of findings and non-conformities discovered while performing theroutine maintenance

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Routine

Maintenance

Unscheduled

Maintenance

Hard-timeComponent


Unscheduled Maintenance

Also known as Corrective Maintenance

That maintenance performed to restore an item to a satisfactory condition by

providing correction of a known or suspected malfunction and/or defect.

Rectifications of problems:

That occur during the operation of the aircraft, or

That are not linked to the performance of routine maintenance(i.e. unpredictable faults).

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Routine

Maintenance

Unscheduled

Maintenance

Hard-timeComponent


Hard-time component exchanges

Some safety-related components have a defined life limit. They need tobe replaced when this limit is reached.

The prescribed actions normally include Servicing and such otheractions as Overhaul, Partial Overhaul, or replacement, so that the itemconcerned is either replaced or restored to such a condition that it canbe released for service for a further specified period.

Examples:

- Engines Life Limited Parts (LLP)

- Landing Gear

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Air line Assistance Scheduled Maintenance Program JORDAN AVIATION March 2011


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Scheduled Maintenance Program Seminar - 1. Introduction