AD 2009-11-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Eurocopter Deutschland GmbH Model EC135 Helicopters |
Unsafe Condition
Loose screws in the lower hub-shaft bearing support could result in abnormal main rotor blade vibrations and subsequent damage to the main transmission.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the main transmission attachment hardware and install locking washers to secure the attachment screws.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter Deutschland GmbH Model EC135 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.