Where can a list of life-limited parts be found for a specific engine?

Where can a list of life-limited parts be found for a specific engine?

• A. In the Airworthiness Directives database.
• B. In the Type Certificate Data Sheet.
• C. In the engine's flight manual.
• D. In the Airworthiness Limitations sections of the engine maintenance manual.

Answer: (D)

Life-limited parts have a maximum service life and must be replaced at defined intervals to keep the engine airworthy. The official list of which engine parts are life-limited and their replacement limits is published in the Airworthiness Limitations section of the engine maintenance manual. This section is part of the maintenance data required by certification and is the authoritative source technicians use to schedule replacements and inspections. The Airworthiness Directives database contains mandated actions for safety issues but doesn’t provide the complete life-limited parts list. The Type Certificate Data Sheet covers design details, not maintenance intervals, and the engine flight manual is for flight crew use, not maintenance planning. So the correct source for the life-limited parts list is the Airworthiness Limitations sections of the engine maintenance manual.

Life-limited parts have a maximum service life and must be replaced at defined intervals to keep the engine airworthy. The official list of which engine parts are life-limited and their replacement limits is published in the Airworthiness Limitations section of the engine maintenance manual. This section is part of the maintenance data required by certification and is the authoritative source technicians use to schedule replacements and inspections.

The Airworthiness Directives database contains mandated actions for safety issues but doesn’t provide the complete life-limited parts list. The Type Certificate Data Sheet covers design details, not maintenance intervals, and the engine flight manual is for flight crew use, not maintenance planning. So the correct source for the life-limited parts list is the Airworthiness Limitations sections of the engine maintenance manual.