AD 2012-21-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France | Airworthiness Directives; Eurocopter France Helicopters |
Unsafe Condition
Missing through-hole between the integrated collector and the magnetic plug in the epicyclic module, which prevents the flow of chips from the integrated collector to the magnetic plug, potentially leading to failure of the chip-detector system and subsequent lift bearing failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the epicyclic module for the presence of a through-hole above the magnetic plug. If the hole is not a through-hole, replace the epicyclic module before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time-in-service (TIS)
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Affected Aircraft
Eurocopter France Model EC225 helicopters with epicyclic modules part number 332A32-5021-00 or 332A32-5021-01 installed.
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
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