AD 2020-05-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model AS332C | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
Elongation of the attachment screws and loss of tightening torque of the nut, which could result in structural failure of an MGB attachment fitting and detachment of an MGB suspension bar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspecting the number of threads that protrude beyond the bolt of the attachment screws on the RH and LH rear attachment fittings of the MGB, and depending on findings, accomplishment of applicable corrective actions, including applying a sealing compound on the nuts, and convex and concave washers, measuring the height of the protruding threads, inspecting the tightening torque of the nuts, inspecting the upper and lower convex and concave washers, measuring and inspecting removed attachment screws, and replacing affected parts.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Helicopters Model AS332C, AS332C1, AS332L, and AS332L1 helicopters, delivered to the first owner or customer before September 1, 2018, and with attachment screws part number (P/N) 330A22013520 installed with main gearbox (MGB) right hand (RH) side rear attachment fitting P/N 330A22270207 and left hand (LH) side rear attachment fitting P/N 330A22270206 of the MGB suspension bars.
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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