AD 90-25-15
Unsafe Condition
Wheel failure, reduced steering capability, loss of braking performance, structural damage, and possible injury to people due to missing or cracked tie bolts in main landing gear (MLG) wheel assemblies.
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Required Actions
Within 6 days after the effective date, perform a visual inspection of MLG wheel assemblies for missing or cracked tie bolts before each flight. Replace wheel if bolts are broken or missing. Upon wheel removal, inspect bolts for cracks, replace cracked or broken bolts, and check for crossed threads and self-locking torque. Within 60 days, replace wheel assemblies with Part No. 5008131-4 per Fokker Service Bulletin F100-32-044.
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Compliance Time
Within 6 days after the effective date of this AD, and thereafter prior to each flight; within 60 days after the effective date of this AD.
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Affected Aircraft
FOKKER Model F-28 Mark 0100 series airplanes equipped with main wheel assemblies Part Nos. 5008131-2 and 5008131-3.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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