AD 2012-23-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France | Airworthiness Directives; Eurocopter France Helicopters |
Unsafe Condition
Incorrect positioning of the roller drive pocket recesses on the cage of the tail-rotor driveshaft free-wheel assembly, which could result in loss of tail rotor drive and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the free-wheel assembly and pull out the free-wheel driven head. Inspect the free-wheel cage for correct alignment of the roller drive pocket recesses. If the right edge of the tab is in line with the right edge of the pocket recess, replace the free-wheel cage with an airworthy free-wheel cage before further flight. Do not install an affected free-wheel assembly unless the cage has passed inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 110 hours time-in-service
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter France Model SA.315B Alouette III, SE.3160 Alouette III, SA.316B Alouette III, SA.316C Alouette III, SA.319B Alouette III, SA 3180-ALOUETTE ASTAZOU, SA 318B-ALOUETTE ASTAZOU, and SA 318C-ALOUETTE ASTAZOU helicopters with part number (P/N) 3130S60-10-003 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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