AD Amdt-39-9286

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes Equipped With General Electric Model CF6-80C2 Series Engines or Pratt & Whitney Model PW4000 Series Engines

AD Number
Amdt-39-9286
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 94-NM-224-AD
FR Citation
60 FR 33338

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 Airworthiness Directives; Boeing Model 747 Series Airplanes Equipped With General Electric Model CF6-80C2 Series Engines or Pratt & Whitney Model PW4000 Series Engines
engine Pratt & Whitney PW4000 Series Airworthiness Directives; Boeing Model 747 Series Airplanes Equipped With General Electric Model CF6-80C2 Series Engines or Pratt & Whitney Model PW4000 Series Engines
engine General Electric CF6-80C2 Series Airworthiness Directives; Boeing Model 747 Series Airplanes Equipped With General Electric Model CF6-80C2 Series Engines or Pratt & Whitney Model PW4000 Series Engines

Unsafe Condition

Failure of the strut and subsequent loss of the engine due to insufficient damage tolerance capability and durability of the strut-to-wing attachments.

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

Required Actions

Modify the nacelle strut and wing structure to improve damage tolerance and durability, perform inspections and checks to detect discrepancies, and correct any discrepancies found.

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

Boeing Model 747 series airplanes equipped with General Electric Model CF6-80C2 series engines or Pratt & Whitney Model PW4000 series engines.

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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