AD 77-14-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA330F | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale Model SA 330F and SA 330G Helicopters |
| aircraft | Airbus Helicopters | SA330G | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale Model SA 330F and SA 330G Helicopters |
Unsafe Condition
Possible failure of the forward engine mount support structure due to cracks in beams under attachment fittings between frames 3245 and 3550.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect beams under attachment fittings for cracks in accordance with Puma Service Bulletin No. 05.35. Replace beams if cracks exceed service criteria before further flight, except as allowed under FAR Sections 21.197 and 21.199.
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Compliance Time
Within the next 50 hours time in service after the effective date of this AD and thereafter at intervals not to exceed 50 hours time in service since the last inspection, until accomplishment of Puma Service Bulletin No. 53.13.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Societe Nationale Industrielle Aerospatiale Model SA 330F and SA 330G helicopters not modified per Puma Service Bulletin No. 53.13.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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