Safe Life Items / Life Limited Parts / Back to Birth – Aircraft lease requirements and data sources.

Safe Life Items / Life Limited Parts / Back to Birth – Aircraft lease requirements and data sources.

An aircraft will contain many LLP Life Limited Parts which can also be known as Safe Life Items SLI parts; typically, these are in components such as the engines and landing gear, although these items may be present in the cabin also depending on your configuration.

An LLP/SLI part was designed to have a defined “life” and after this “life” is complete it will be destroyed regardless of condition.

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Aircraft Lease Review – Landing Gear Life Limited Parts

Aircraft Lease Review – Landing Gear Life Limited Parts

Landing Gear SLI or Safe Life Items are better known as LLP or “Life Limited Parts”. These parts are those that have a defined life that is usually measured in cycles or hours of operation or even calendar days. When an LLP reaches that limit it is destroyed and cannot be used further.

We need a status summary detailing the Life Limited Parts on the landing gear so we can determine both their serviceability and remaining life and so can compare then to the lease hand back conditions.

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Engine Trend Data for lease return

Engine Trend Data for lease return

An aircraft engine can be leased with an airframe or on its own as fleet spares.

An engine can be one of the highest single cost factors on a lease return and as such the requirements governing its condition are of vital importance during any transition be it leasing or returning.

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Structural Repair Certification – Aircraft Lease Reviews

Structural Repair Certification – Aircraft Lease Reviews

When a repair is applied to an aircraft it is the result of a lot of analysis and complex comprehensive evaluation of its impact on the airworthiness of that aircraft.

Many repairs will be carried out with the OEM (Original Equipment Manufacturer) documentation such as the SRM (Structural Repair Manual) as seen in some examples using data from Airbus and Boeing.

When damage occurs that is beyond the scope of the SRM this is where we need to be more careful in the approval evaluation.

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Aircraft Leasing – Approved Maintenance Program (AMP) and Maintenance, Repair & Overhaul (MRO) work packs

Aircraft Technical Leasing – Introduction to Approved Maintenance Plan (AMP) and Maintenance, Repair & Overhaul (MRO) work pack definition

When an airline (lessee) leases an aircraft, they assume certain responsibilities such as:

• Performing maintenance on the aircraft and engines
• To have this maintenance performed in facilities that have the required approval consistent with the lease
• Having the airline planning department produce an AMP “approved maintenance program”
• Ensuring the AMP is current with OEMs (Boeing, Airbus, ATR, Embraer) MPD and MRBR (Maintenance Review Board Report).
• There will also be other considerations with reference to AD’s, SBs, and Interior work

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