AD 2001-12-10

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 777-200 Series Airplanes

AD Number
2001-12-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-303-AD
FR Citation
66 FR 32530

Applicability

TypeManufacturerModelDetails
aircraft Boeing 777-200 Airworthiness Directives; Boeing Model 777-200 Series Airplanes

Unsafe Condition

Fracture of the inboard support structure of the flaperon, which could result in an in-flight loss of the inboard flaperon, structural damage, and consequent reduced controllability of the airplane.

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

Required Actions

Inspect the lower flange of the flaperon inboard support using detailed visual and ultrasonic methods. If cracking is found, perform corrective actions before further flight. Install a failsafe strap and oversize holes if cracks are detected during a high-frequency eddy current inspection.

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

Compliance Time

Within 90 days after the effective date or before the accumulation of 4,000 total flight cycles, whichever occurs later.

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

Affected Aircraft

Boeing Model 777-200 series airplanes, line numbers 1 through 9 inclusive, 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 6, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗ Find More ADs for Boeing 777-200

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