AD 90-26-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron, Inc. | 212 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 212 Helicopters |
Unsafe Condition
Fatigue failure of the main rotor drag brace assembly which could result in loss of control of the helicopter.
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Required Actions
Determine if drag brace assemblies with part numbers 204-011-140-003 or -005 are installed. Inspect for corrosion and mechanical damage, perform magnetic particle inspection, replace if cracks or unremovable corrosion/damage are found, and reassemble with specified corrosion preventive compounds and torque settings. Comply initially within 100 hours' time in service after the effective date, then every 1,200 hours' time in service.
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Compliance Time
Within the next 100 hours' time in service after the effective date of this AD. Thereafter, comply at intervals of 1,200 hours' time in service from the last inspection.
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Affected Aircraft
All Bell Model 212 helicopters, certificated in any category, with main rotor hub assembly part number 204-012-101-009 and drag brace assemblies part numbers 204-011-140-003 or -005.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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