AD 2012-11-03

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2012-11-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-1320
FR Citation
77 FR 32889

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

Retaining cross bolt hardware not fully engaged into the fuse pins of the forward trunnion lower housing of the main landing gear (MLG), which could result in an incorrect MLG emergency landing break-away sequence.

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

Required Actions

Inspect the fuse pin cross bolts and fuse pins of the left and right MLG forward trunnion lower housing to verify correct installation and no missing fuse pins. Replace the fuse pins if necessary.

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

Compliance Time

Before further flight

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Affected Aircraft

The Boeing Company Model 777 airplanes, as identified in Boeing Alert Service Bulletin 777-57A0090, dated August 24, 2011.

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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