AD 2011-25-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The rub strips attached to the horizontal stabilizer front spar access door location were manufactured improperly using anodized aluminum, leading to inadequate electrical bonding between the rub strips and the fuel access door, which can contribute to possible ignition of flammable fuel vapor in the tail fuel tank as a result of a lightning strike.
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Required Actions
Replace the anodized rub strips with new alodined rub strips, in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin MD11-55-027, dated March 17, 2011.
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Compliance Time
Within 60 months after the effective date of this AD.
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Affected Aircraft
The Boeing Company Model MD-11 and MD-11F airplanes, certificated in any category, as identified in Boeing Special Attention Service Bulletin MD11-55-027, dated March 17, 2011.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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