AD 2005-18-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; General Electric Company CF34-3A1 Turbofan Engines |
| engine | General Electric | Company CF34-3A1 | Airworthiness Directives; General Electric Company CF34-3A1 Turbofan Engines |
Unsafe Condition
The removal of certain HPT rotating component part numbers from the CF34 Engine Manual's Life Limits section, resulting in the removal of life limits and imposing an unlimited life on those components, which could lead to low cycle fatigue (LCF) cracking and failure, potentially causing uncontained engine failure and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service the HPT rotating components listed in Table 1 of the AD before exceeding the life limit of 6,000 cycles-since-new.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless the actions have already been performed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric CF34-3A1 turbofan engines installed on Bombardier series Regional Jet Model CL-600-2B19 (Regional Jet Series 100 and 440) airplanes with one or more of the HPT rotating components listed in Table 1 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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