AD 2021-03-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model AS350B | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
The loss of a sliding door in-flight, which may result in damage to the helicopter and/or injury to persons on the ground.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspecting each sliding door and replacing the upper rail or front roller or removing the front roller from service if necessary. Inspecting the upper rail of each RH and LH door for parallelism, deformation, corrosion, and cracking and repairing or replacing the upper rail before further flight if necessary; and with each sliding door removed, inspecting the front roller to determine if it is below the minimum diameter and height, if it has any corrosion or flat spot, and if it is correctly installed. If the front roller is below the minimum diameter, below the minimum height, or has any flat spot or corrosion, this AD requires removing the front roller from service before further flight. If the front roller was not correctly installed, this AD requires reinstalling it correctly before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 hours time-in-service (TIS) after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters Model AS350-series and AS355-series helicopters if equipped with a left-hand (LH) and/or right-hand (RH) sliding door.
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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