AD 2000-26-05

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes

AD Number
2000-26-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-226-AD
FR Citation
65 FR 82898

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737 Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes

Unsafe Condition

Potential ignition of fiberglass insulation material installed on the outside of the environmental control system (ECS) ducts, which could propagate a small fire and lead to a larger fire.

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

Required Actions

Rework of certain ECS duct assemblies or replacement of the duct assemblies with new or reworked duct assemblies.

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

Compliance Time

Within six years after the effective date of the AD, or at the next scheduled heavy maintenance visit, whichever occurs later.

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

Affected Aircraft

Boeing Model 737, 747, 757, and 767 series airplanes, with specific parts made by suppliers that used unsafe adhesives in their manufacturing processes.

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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