AD 2020-16-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter France | Various | Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters |
| aircraft | Airbus | Helicopters has modified the MGB overhaul and repair procedures | Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters |
Unsafe Condition
progressive fatigue failure of the coupling discs, caused by excessive fretting on the faces and in the bolt holes of the coupling discs
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
re-adjusting the tightening torque on the flexible coupling-to-flange attachment bolts, inspecting the tightening torque load on the flexible coupling-to-flange attachment bolts, replacing a damaged flexible coupling
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters (previously Eurocopter France) Model SA330J helicopters, certificated in any category, with a main gearbox (MGB) input flexible coupling flange assembly part number 330A-32937401 installed, that has been modified per MOD 0752416 and MOD 0752419
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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