AD Amdt-39-10910

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

AD Number
Amdt-39-10910
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-71-AD
FR Citation
63 FR 65047

Applicability

TypeManufacturerModelDetails
aircraft McDonnell Douglas MD-11 Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

Unsafe Condition

Galvanic corrosion found on the seat tracks at attachment points under certain lavatories, which could result in shifting of lavatories, leading to injury of passengers and crew, as well as damage to aircraft structure and systems.

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

Required Actions

Conduct a one-time visual inspection of seat tracks and adjacent structure underneath lavatories to detect discrepancies, repair as necessary, install a non-metallic barrier on the bottom of each lavatory foot fitting, and replace existing seat track fittings with new ones.

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

Compliance Time

Not specified in the provided text.

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Affected Aircraft

McDonnell Douglas Model MD-11 series airplanes with specific lavatory configurations where galvanic corrosion has been reported.

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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