AD 2012-08-13

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2012-08-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-1165
FR Citation
77 FR 24357

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

Failure of the single-tabbed bracket on the rudder, which could lead to failure of the bonding jumper bracket and loss of lightning protection ground path.

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

Required Actions

Replace certain single-tabbed bonding brackets in the airplane empennage with two-tabbed bonding brackets. For certain airplanes, install new bonding jumpers and measure the resistance of the modified installation to verify it is within specified limits.

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 777-200 and -300 series airplanes, certificated in any category, as identified in Boeing Service Bulletin 777-55A0014, Revision 1, dated April 1, 2010.

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Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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