IATA Aircraft Lease Guidance

Annex IV: Engine Documentation Checklist
Document required Lease Purchase
Latest Engine Certificate available YES YES
Current Operator LLP Status YES YES
Life Limited Parts Back-to-Birth
YES for the ones replaced
during the lease
AD status YES YES
SB / Modification Status YES YES
Latest Engine Test report or On-Wing Power Assurance YES YES
Latest Borescope Report and Video YES YES
Last 6 months of Engine Condition Monitoring YES YES
QEC/Accessory List YES YES
Missing Part List YES YES
Engine Installation/Removal History YES YES
Shop Visit reports and Mini Packs YES YES
Engine Logbook (if applicable) YES YES
Incident/Accident Clearance Statement YES YES
Previous operators statements (AD/LLP/ICS) NO YES
Manufacturer data (EDS/VSL/IIL/Logbook) NO YES
On-Wing Maintenance (Review the Maintenance Schedule
Engine Tasks – Last done/Next Due, Water Wash, Borescope
Inspections, Fan Blades Lubrication)
Shop Maintenance (Check which shop the airline is using for Off
Wing maintenance and if they have a customized WPG/MPG)
Certificates for every component installed
Review all technical log entries recorded against the engine in
the last six months of operation and the action that was taken to
clear them.
YES
NO short
YES long
YES for the ones replaced
during the lease
Preservation Status YES YES
Picture of the Engine Data Plate YES YES
“Carry Forward” or “Open Items” sheet YES YES
List of open OEM concessions YES YES
TRUEngine / Pure-V or other OEM status (if applicable) NO YES
Warranties - Identify assignable warranties available from the
manufacturer or maintenance provider.
YES
NO
YES
YES
YES
YES
YES
YES
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