AD 91-05-10
Unsafe Condition
Reduced structural integrity of the airplane due to unaddressed structural issues requiring specific modifications.
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Required Actions
Accomplish structural modifications according to specified service bulletins and incorporation thresholds listed in Fokker Report No. SE-243, Issue No. 1. Compliance dates vary based on time-in-service and airplane manufacturing dates.
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Compliance Time
Varies by service bulletin category: July 1, 1996 (Note 1), July 1, 1993 (Note 2), or later of July 1, 1993 or 14 years after manufacturing (Note 4).
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Affected Aircraft
FOKKER Model F-28 Mark 1000, 2000, 3000, and 4000 series airplanes listed in Part II of Fokker Report No. SE-243, Issue No. 1, dated June 1, 1990.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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