AD 2018-02-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron Helicopters |
| aircraft | Bell | Helicopter Textron | Airworthiness Directives; Bell Helicopter Textron Helicopters |
Unsafe Condition
A crack, corrosion, an edge void, loose or damaged adhesive squeeze-out, or an edge delamination in the M/R blade could lead to failure of the blade and subsequent loss of helicopter control.
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Required Actions
Within 25 hours time-in-service (TIS) or 2 weeks, whichever occurs first, and thereafter at intervals not to exceed 25 hours TIS or 2 weeks, whichever occurs first, cleaning the upper and lower exposed surfaces of each M/R blade from an area starting at the butt end of the blade to three inches outboard of the doublers. Visually inspecting various M/R blade parts for a crack or corrosion. If there is a crack, corrosion, an edge void, loose or damaged adhesive squeeze-out, or an edge delamination, before further flight, repairing the M/R blade or replacing it with an airworthy M/R blade, depending on whether the condition is within maximum repair damage limits. Reporting information about any cracks found during the inspection to the FAA within 10 days.
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Compliance Time
Within 25 hours time-in-service (TIS) or 2 weeks, whichever occurs first
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Affected Aircraft
Bell Helicopter Textron, Inc., P.O. Box 482, Fort Worth, TX 76101; Bell 204B, 205A, and 205A-1 helicopters with an HTC M/R blade part number (P/N) 204P2100-101 installed.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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