Cfe airworthiness directives
4 ADs in the reference matching Cfe — from the Federal Register, checked every weekday. Applicability may depend on serial and effectivity: verify against the official AD before any maintenance action.
Reference last synced: 10/23/2026 16:00 UTC · 10,463 ADs indexed
Airworthiness Directives; CFE Company Engines
The FAA is adopting a new airworthiness directive (AD) for certain CFE Company (CFE) Model CFE738-1-1B engines. This AD was prompted by a manufacturer investigation that revealed certain high- pressure turbine (HPT) stage 1 and stage 2 disks were manufactured from powder metal material suspected to contain iron inclusion. This AD requires replacement of affected HPT stage 1 and stage 2 disks with parts eligible for…
Airworthiness Directives; CFE Company Model CFE738-1-1B Turbofan Engines
This amendment adopts a new airworthiness directive (AD), that is applicable to CFE Company Model CFE738-1-1B turbofan engines. This amendment requires replacing the high pressure turbine (HPT) stage 1 aft cooling plate and HPT stage 2 disk at or before they reach new reduced life cycle limits. This amendment is prompted by analysis of the existing life cycle limits by the engine manufacturer. The actions specified…
Airworthiness Directives; CFE Company Model CFE738-1-1B Turbofan Engines
This amendment adopts a new airworthiness directive (AD) that is applicable to CFE Company model CFE738-1-1B turbofan engines. This action requires the removal of certain fan rotor disks from service. This amendment is prompted by a report from a forging manufacturer, of a metallurgical inclusion (contaminant) found in a forging made from a certain ingot of titanium. Fan rotor disks for model CFE738-1-1B engines hav…
Airworthiness Directives; CFE Company Model CFE738-1-1B Turbofan Engines
This amendment adopts a new airworthiness directive (AD), applicable to CFE Company model CFE738-1-1B turbofan engines, that requires new life limits for certain HPC rotor components in all engines. This amendment is prompted by a reduction in the calculated service life of certain compressor rotor rotating parts to values below currently approved service lives. The actions specified by this AD are intended to preve…