routineRule

AD FAA-2016-9394

Airworthiness Directives; The Boeing Company Airplanes

Summary

We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 747-400, 747-400D, and 747-400F airplanes. This AD was prompted by a report of a crack in the left wing front spar web, found following a fuel leak. This AD requires repetitive inspections for cracking of the front spar web, and repairs if necessary. We are issuing this AD to address the unsafe condition on these products.

Directive Details

AD Number

FAA-2016-9394

Document Number

2017-10257

Type

Rule

Publication Date

May 23, 2017

Effective Date

June 27, 2017

Affected Manufacturer

The Boeing Company

Criticality

routine

Emergency

Docket ID

Docket No. FAA-2016-9394

Topics

Air transportationAircraftAviation safetyIncorporation by referenceSafety

Official Documents

View PDF View on Federal Register

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