AD 2011-12-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412CF, and 412EP Helicopters |
| aircraft | Bell | Helicopter Textron | Airworthiness Directives; Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412CF, and 412EP Helicopters |
Unsafe Condition
Tail rotor (T/R) blades with certain serial numbers may have manufacturing anomalies in the spar area, resulting in corrosion or pitting that could lead to a crack in the T/R blade, loss of the T/R blade, 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
Inspect the T/R blade for corrosion or pitting after sanding the paint from the spar area between blade stations 22.5 and 40.0. Repair or replace the T/R blade if corrosion, pitting, or damage is discovered.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 hours time-in-service (TIS) or 30 days, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412CF, and 412EP helicopters with tail rotor (T/R) blades, part number 212-010-750 (all dash numbers), all serial numbers except those with a prefix of 'A' and the number 17061 or larger.
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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