4.2ETOPS Maintenance Program
4.2.1 The basic maintenance program for the aircraft being considered for ETOPS is the continuous airworthiness maintenance program currently approved for that operator, for the make and model airframe/engine combination. The maintenance program must be reviewed to ensure that it provides an adequate basis for development and inclusion of specific ETOPS maintenance requirements as defined in the CMP document for the airframe/engine combination. These include maintenance procedures to preclude identical action being applied to multiple similar elements in any ETOPS critical system (e.g. fuel control change on both engines).
ETOPS related tasks must be identified on the operator's routine work forms and related instructions.
ETOPS related procedures, such as involvement of centralised maintenance control or technical dispatch, must be clearly defined in the operator's maintenance program.
An ETOPS service check must be developed to verify that the status of the aeroplane and certain critical items are acceptable. This check will be accomplished by an ETOPS qualified person prior to an ETOPS flight.
- Log books will be reviewed and documented, as appropriate, to ensure proper MEL procedures, deferred items and maintenance checks, and that system verification procedures have been properly performed.
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