CFM56-7B Engine Manual

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This section describes the CFM56-7B turbofan engine. Regular borescopic inspection of the high-pressure turbine (HPT) blades is required at intervals not to exceed 1500 flight cycles.

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Task	Interval	Actions
Borescope inspection of HPT blades ATA: 72-00	Every 1500 FC
Visual check of engine externals ATA: 72-00	Pre-flight check	Rejected

Task

Interval

Actions

Borescope inspection of HPT blades

ATA: 72-00

Every 1500 FC

Visual check of engine externals

ATA: 72-00

Pre-flight check

Rejected