AD 2001-06-12

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 767 Series Airplanes Powered by General Electric Engines

AD Number
2001-06-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-127-AD
FR Citation
66 FR 17492

Applicability

TypeManufacturerModelDetails
aircraft Boeing 767 Airworthiness Directives; Boeing Model 767 Series Airplanes Powered by General Electric Engines
engine General Electric engines Airworthiness Directives; Boeing Model 767 Series Airplanes Powered by General Electric Engines

Unsafe Condition

Higher-than-analytical operational loads applied to the nacelle can lead to fatigue cracking in the primary strut structure before the airplane reaches its design service objective.

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

Required Actions

Modify the nacelle strut and wing structure as specified in Boeing Service Bulletin 767-54-0069, Revision 1 or Revision 2. Alternative methods of compliance (AMOCs) approved for ADs 2000-12-17, 2000-07-05, 94-11-02, and 2001-02-07 are also acceptable.

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

Compliance Time

Before the airplane accumulates 20 calendar years from its initial delivery date, or before reaching the flight cycle threshold as defined by the flight cycle threshold formula in Figure 1 of Boeing Service Bulletin 767-54-0081, whichever occurs first.

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

Affected Aircraft

Boeing Model 767 series airplanes powered by General Electric 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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