AD 80-14-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | AS350B | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model AS-350 Series Helicopters |
| aircraft | Airbus Helicopters | AS350C | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model AS-350 Series Helicopters |
| aircraft | Airbus Helicopters | AS350D | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model AS-350 Series Helicopters |
| aircraft | Airbus Helicopters | AS350D1 | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model AS-350 Series Helicopters |
Unsafe Condition
Failure of flange P/N 350A371201-20 due to cracks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect flange P/N 350A371201-20 for cracks using dye penetrant method within 5 hours time in service after AD effective date, then every 25 hours until replaced. Replace cracked flanges with new or serviceable used flange of same part number or install steel flange P/N 350A371207-20. Discontinue inspections after installing steel flange.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next five hours time in service after the effective date of this AD, and thereafter at intervals not to exceed 25 hours time in service from the last inspection until a steel flange P/N 350A371207-20 is installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Societe Nationale Industrielle Aerospatiale (SNIAS) Model AS-350 series helicopters with flange P/N 350A371201-20 installed.
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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