AD 98-26-23

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 747 Series Airplanes

AD Number
98-26-23
Status
final_rule
Effective Date
Product Category
aircraft
Docket
97-NM-309-AD
FR Citation
(Federal Register: December 29, 1998 (Volume 63, Number 249))

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 747-100 Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-100B Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-100B SUD Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-200B Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-200C Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-200F Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-300 Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-400 Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-400D Series Airworthiness Directives; BOEING Model 747 Series Airplanes
aircraft The Boeing Company 747-400F Series Airworthiness Directives; BOEING Model 747 Series Airplanes

Unsafe Condition

Rear Spar Web

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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