AD 99-27-16 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFE Company | CFE738-1-1B | Airworthiness Directives; CFE Company Model CFE738-1-1B Turbofan Engines |
Unsafe Condition
Stage 2 high pressure turbine (HPT) aft cooling plate failure could result in uncontained engine failure and damage to the airplane.
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Required Actions
Conduct a one-time visual inspection of stage 2 HPT aft cooling plates for nicks, dents, raised metal, and scratches. Repair the cooling plates or replace with serviceable parts if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
CFE Company Model CFE738-1-1B turbofan engines with specific serial numbers as identified in CFE Company Alert Service Bulletin CFE738-A72-8031, Revision 4.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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