AD 2025-18-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | WALTER Engines a.s. | Various | Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines |
| aircraft | Aviat | Various | Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines |
Unsafe Condition
Failure of the centrifugal compressor case.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform repetitive detailed visual inspections (DVIs) of the compressor case pad welds for any crack, replace the compressor case if necessary, and send certain inspection results to the manufacturer.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Model M601D-11, M601E-11, M601E-11A, M601E-11AS, M601E-11S, and M601F engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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