AD 2004-12-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model EC 155 B and B1 | Airworthiness Directives; Eurocopter France Model EC 155 B and B1 Helicopters |
Unsafe Condition
Crack in the blade tip cap mounting bracket (tenon), which could result in loss of the tip cap, leading to severe vibration and loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each main rotor blade tenon for cracks. Replace the blade if a crack is found. Measure vertical clearance between each blade assembly and a straight edge at the blade-to-tip cap junction. Replace the blade if the measured distance is not within specified limits.
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 France Model EC 155 B and B1 helicopters.
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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