AD 2012-10-10

Recurring final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2012-10-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-1259
FR Citation
77 FR 31167

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

Corrosion damage on the outer diameter chrome surface of the horizontal stabilizer pivot pins, including micro-cracks in the chrome plating that extend into the base metal, could result in a fractured horizontal stabilizer pivot pin.

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

Required Actions

Replace existing horizontal stabilizer pivot pins with new or reworked pivot pins having improved corrosion resistance. Perform repetitive inspections after installing the pivot pins. Take corrective actions 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.

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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