AD 2001-09-02

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 777-200 Series Airplanes

AD Number
2001-09-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-147-AD
FR Citation
66 FR 21851

Applicability

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

Unsafe Condition

Stress corrosion cracking and consequent fracture of the aft trunnion of the outer cylinder of the main landing gear (MLG), which could result in collapse of the MLG.

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

Required Actions

Replace bushings in the aft trunnion of the outer cylinder with new bushings, perform a detailed visual inspection of the aft trunnion area for corrosion or other damage, replace grease in the undercut of the aft trunnion with corrosion-inhibiting compound (for Group 1 airplanes), and install new bushings with corrosion-inhibiting compound.

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

Compliance Time

Within 5 years and 300 days since date of manufacture of the airplane, or within 1 year after the effective date of this AD, 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 (L/N) 2 through 29 inclusive, except L/N's 10, 14, and 18; certificated in any category; except those on which the outer cylinder of the main landing gear (MLG) has been replaced in accordance with Boeing Service Bulletin 777-32-0003, dated October 9, 1997.

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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