AD Amdt-39-16892

final rule
Data completeness: 70%

Airworthiness Directives; Turbomeca Turboshaft Engines

AD Number
Amdt-39-16892
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-0710
FR Citation
77 FR 1009

Applicability

TypeManufacturerModelDetails
engine Turbomeca Turboshaft Airworthiness Directives; Turbomeca Turboshaft Engines

Unsafe Condition

Failure of the gas generator second stage turbine disc could result in engine failure and subsequent damage to the aircraft.

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

Required Actions

Remove from service gas generator second stage turbine discs, part number 0 292 25 040 0, that are not marked with 'CFR' before exceeding 4,000 cycles-in-service since new. Remove from service discs marked with 'CFR' before exceeding 6,500 cycles-in-service since new.

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

Turbomeca Arriel 1 series turboshaft engines with gas generator second stage turbine discs, part number 0 292 25 040 0.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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