AD 2021-03-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Deutschland GmbH | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
Unsafe Condition
Failure of an affected Ti-bolt installed in a critical location, possibly resulting in reduced control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove any Ti-bolt identified in paragraph (a) of this AD, located on the forward tail rotor drive shaft, from service. Within 50 hours time-in-service or 3 months, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time-in-service or 3 months, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters, certificated in any category, with a Titanium (Ti) bolt part number L535M2001203 marked with manufacturer monogram ``D'' or with an illegible manufacturer monogram installed on the forward tail rotor drive shaft.
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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