AD 2020-19-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Limited | Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters |
| aircraft | Bell | Helicopter Textron Canada Limited | Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters |
Unsafe Condition
A bearing that migrated out of its inner ring may lead to restriction of the swashplate's movement as a result of contact or binding between the control tube clevis and the bearing housing, which may restrict control authority and introduce unintended loads into the control system causing a failure of the control tube and/or bearing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspecting each bearing for staking in the outer ring, inner ring, and lever assembly using a 10X or higher power magnifying glass. If either side of a bearing is not staked, remove the bearing from service before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 20 hours time-in-service (TIS)
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Model 505 helicopters, serial number 65011 through 65211.
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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