AD Amdt-39-11097

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747-100, -200, and -300 Series Airplanes

AD Number
Amdt-39-11097
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-87-AD
FR Citation
64 FR 15298

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-100 Airworthiness Directives; Boeing Model 747-100, -200, and -300 Series Airplanes

Unsafe Condition

Fatigue cracks in certain lower lobe fuselage frames on the left side of the fuselage could lead to fatigue cracks in the fuselage skin, resulting in rapid decompression of the airplane.

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

Required Actions

Inspect certain lower lobe fuselage frames for cracks. Repair any detected cracks as necessary. Repeat inspections at specified intervals.

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

Compliance Time

Before further flight

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

Affected Aircraft

Boeing Model 747-100, -200, and -300 series airplanes.

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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