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 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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Aircraft Technical Leasing – Reviewing STC’s at Lease End

A supplemental type certificate (STC) is a national aviation authority-approved major modification or repair to an existing type of certified aircraft, engine or propeller.

As it adds to the existing type certificate, it is deemed “supplemental”.

In the United States issuance of such certificates is under the purview of the Federal Aviation Administration (FAA); in Europe this is European Aviation Safety Agency (EASA).

STC can be searched for and located on the relevant national aviation authority (NAA) webpages.

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CAMO Safety Management Systems & Visual Representation.

We have seen across prior posts some considerations for risk identification, evaluation and management regarding risk value.

One of the most important aspects of any SMS (Safety Management System) is the ability to use the data and create meaningful information that helps keep is operating in the safe zone between productivity and financial costs.

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Aircraft Lease Review – Engine AD’s (Airworthiness Directives)

Using the example of an aircraft being returned off lease then the airline will provide you with an AD status report giving the current state of the engine. The report will clearly identify your aircraft and display the total hours and total cycles along with the date the report was produced.

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