AD 2008-14-04

final rule
Data completeness: 80%

Airworthiness Directives; Eurocopter France Model AS 355 N Helicopters

AD Number
2008-14-04
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2008-0041
FR Citation
73 FR 37358

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Eurocopter France Model AS 355 N Helicopters

Unsafe Condition

The power drawn by the starter generators from the engines exceeds the consumption capacity at altitudes above 3,000 meters, reducing the engine surge margin and potentially causing engine failure.

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

Required Actions

Install a limitation placard on the overhead instrument panel indicating the new load limitation for the starter generator (maximum continuous load per generator 100A if altitude > 10,000 ft).

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

Compliance Time

Within 100 hours time-in-service or within 12 months, whichever occurs first.

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

Affected Aircraft

Eurocopter France Model AS 355 N helicopters, certificated in any category.

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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