AD 75-17-25

final rule
Data completeness: 70%

Airworthiness Directives; Societe Nationale Industrielle Aerospatiale Model SA-341G "Gazelle" Helicopters

AD Number
75-17-25
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters SA341G Airworthiness Directives; Societe Nationale Industrielle Aerospatiale Model SA-341G "Gazelle" Helicopters

Unsafe Condition

Rotation of the main rotor head swashplate upper bearing due to main rotor shaft P/N 341A.31.0001 with dot number .05 and lower and absence of Aerospatiale Modification No. AMS 07.6072.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the spigot of upper bearing stop P/N 341A.31.4236.20 for evidence of rotation. If found, replace the main rotor shaft with a serviceable part incorporating Aerospatiale Modification No. AMS 07.6072. If not found, install a second upper bearing stop P/N 41A.31.4236.20.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 100 hours' time in service after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Societe Nationale Industrielle Aerospatiale Model SA-341G 'Gazelle' helicopters with main rotor shaft P/N 341A.31.0001, dot number .05 and lower, and without Aerospatiale Modification No. AMS 07.6072

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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