AD 2024-12-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | CFE | Company | Airworthiness Directives; CFE Company Engines |
Unsafe Condition
Certain HPT stage 1 and HPT stage 2 disks were manufactured from powder metal material suspected to contain iron inclusion, which may cause reduced material properties and a lower fatigue life capability, potentially resulting in structural failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove each affected HPT stage 1 disk and HPT stage 2 disk from service and replace with parts eligible for installation, in accordance with CFE Service Bulletin CFE738-72-A8082.
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: For HPT stage 1 disks, at the next piece-part exposure or before exceeding 2,450 cycles since new (CSN), whichever occurs first. For HPT stage 2 disks, at the next piece-part exposure or before exceeding 2,930 CSN, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
CFE Company Model CFE738-1-1B engines with an installed high-pressure turbine (HPT) stage 1 disk or HPT stage 2 disk with a part number (P/N) and serial number (S/N) identified in CFE Service Bulletin CFE738-72-A8082, dated July 4, 2023.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.