AD 97-06-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Aircraft Engines | CF34-1A | Airworthiness Directives; General Electric Company CF34 Series Turbofan Engines |
| engine | General Electric Aircraft Engines | CF34-3A | Airworthiness Directives; General Electric Company CF34 Series Turbofan Engines |
| engine | General Electric Aircraft Engines | CF34-3A2 | Airworthiness Directives; General Electric Company CF34 Series Turbofan Engines |
Unsafe Condition
HPC stage 1 rotor disk rupture leading to engine failure and damage to the aircraft.
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Required Actions
Remove from service HPC stage 1 rotor disks prior to accumulating 6,000 cycles in service since new, and replace with a serviceable part. Alternative methods of compliance may be approved by the Manager, Engine Certification Office.
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Compliance Time
Required as indicated, unless accomplished previously.
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Affected Aircraft
General Electric Company Models CF34-1A, -3A, and -3A2 turbofan engines with HPC stage 1 rotor disks, part number 6040T79G01, installed on Canadair Limited Model CL-600-2A12 and CL-600-2B16 aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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