AD 2018-07-20

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2018-07-20
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0770
FR Citation
83 FR 16194

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

The potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.

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Required Actions

Inspecting certain locations of the wire bundles of the center upper auxiliary fuel tank for damage, and corrective action if necessary. Installing nonmetallic barrier/shield sleeving, new clamps, new attaching hardware, and a new extruded channel. Do a general visual inspection of the wire bundles at the applicable center upper auxiliary fuel tank locations to determine if they touch the upper surface of the tank.

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

Compliance Time

Within 50 flight hours after May 21, 2018

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Affected Aircraft

The Boeing Company Model MD-11 and MD-11F airplanes, Groups 1, 2, and 5, Configuration 2 airplanes as identified in Boeing Service Bulletin MD11-28-126, Revision 6, dated July 1, 2016.

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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