AD 2021-24-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Deutschland GmbH | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
Unsafe Condition
The reduced life limit has been established for certain part-numbered TR blades due to higher loads experienced in service. This condition, if not addressed, could result in fatigue and failure of a TR blade and loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Determining the total hours TIS of certain part-numbered TR blades, establishing a life limit for certain part-numbered TR blades, removing from service any TR blade that has reached or exceeded its life limit, creating a component history card, re-identifying certain part-numbered TR blades, and removing any TR blade from service before reaching its retirement life. Additionally, prohibiting installing certain TR blades on certain model helicopters.
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Compliance Time
Within 350 hours TIS
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Affected Aircraft
Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters, with TR blade part number L642A2002101, L642A2002103, L642A2002104, L642A2002111, or L642A2002112 installed.
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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