AD 2021-20-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Inc. | 205B | Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters |
| aircraft | Textron | Inc | Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters |
| aircraft | Bell | Textron Inc | Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters |
Unsafe Condition
The unsafe condition, if not addressed, could result in fatigue and failure of the grip assembly and loss of helicopter control.
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Required Actions
Before further flight after the effective date of this AD, determine the total hours time-in-service (TIS) of any grip assembly having P/N 204-011-121-005, P/N 204-011-121-113, or P/N 204-011-121-117. Remove from service any grip assembly that has accumulated or exceeded 9,000 total hours TIS. For each grip assembly that has accumulated less than 9,000 total hours TIS, do the following: (i) Create a component history card or equivalent record to establish a life limit of 9,000 total hours TIS. (ii) Thereafter, remove from service any grip assembly before it accumulates 9,000 total hours TIS. (2) Thereafter, no alternative life limits may be approved for any grip assembly P/N 204-011-121-005, P/N 204-011-121-113, or P/N 204-011-121-117. (3) As of the effective date of this AD, do not install any grip assembly having P/N 204-011-121-005, P/N 204-011-121-113, or P/N 204-011-121-117 on any Model 205B helicopter unless the life limit is established in accordance with this AD.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Bell Textron Inc. (type certificate previously held by Bell Helicopter Textron Inc.) Model 205B helicopters, certificated in any category, with main rotor grip assembly (grip assembly) part number (P/N) 204-011-121-005, P/N 204-011-121-113, or P/N 204-011-121-117 installed.
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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