4.6Verification Program after Maintenance

to ensure appropriate corrective action following an engine shutdown, primary system failure or adverse trend(s) for any prescribed event(s) which require a verification flight, or other action, and establish means to assure their accomplishment. A clear description of who must initiate verification actions and the section or group responsible for the determination of what action is necessary must be identified in the program. Primary systems or conditions requiring verification actions must be described in the operator's ETOPS manual.

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