AD 2021-13-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model SA-365N | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
A crack can initiate under normal operational loads in the frame No. 9, which can lead to crack propagation and failure of the frame, adversely affecting the structural integrity of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the LH and RH frame No. 9 for a crack in the areas of the latch support and stretcher support with a 10X or higher power magnifying glass. If there is a crack, repair the crack before further flight. Alternatively, install Eurocopter modification (MOD) 53C17 or MOD 53D02, or Airbus Helicopters MOD 07 53D21 or MOD 07 53D22, as applicable to your helicopter, to terminate the repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time-in-service (TIS) after the effective date of the AD and at intervals not to exceed 110 hours TIS thereafter, inspect the LH and RH frame No. 9 for a crack in the areas of the latch support and stretcher support with a 10X or higher power magnifying glass. For all other helicopters, inspect the LH and RH frame No. 9 within 110 hours TIS after the effective date of the AD and thereafter at intervals not to exceed 110 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters Model SA-365N, SA-365N1, AS-365N2, and AS 365 N3 helicopters.
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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