AD 2007-05-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Microturbo Saphir 20 Models 095 Auxiliary Power Units (APU) |
Unsafe Condition
A certain failure could cause overspeed of the gas generator rotor, resulting in an uncontained burst of the turbine and liberation of high-energy fragments.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the existing Electronic Control Unit (ECU) and drain valve within 60 days after the effective date of this AD. Follow paragraph 2 of Accomplishment Instructions of Microturbo Alert Service Bulletin (ASB) No. 095-49A11, Edition 2, dated October 7, 2005, to perform these actions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after the effective date of this AD.
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Affected Aircraft
Microturbo Saphir 20 Models 095 Auxiliary Power Units (APU) installed on, but not limited to, Eurocopter AS 332C, AS 332L, AS 332L1, and AS 332L2 helicopters.
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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