AD 98-04-09
Unsafe Condition
Failure of the captain's left-hand brake torque tube lever, which could result in a disconnection between the captain's left-hand brake pedal and left-hand brake system.
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Required Actions
Perform a one-time visual inspection using a mirror or borescope to detect cracking of the brake torque tube lever (part number D75669-001) per Fokker Service Bulletin SBF100-32-108. If any crack is detected, replace the lever or entire assembly with a new or serviceable component prior to further flight.
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Compliance Time
Within 30 days after the effective date of this AD for airplanes with 15,000 or more total flight cycles as of the effective date. Prior to the accumulation of 10,000 total flight cycles or within 2 months after the effective date, whichever occurs later, for airplanes with fewer than 15,000 total flight cycles.
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Affected Aircraft
Fokker Model F28 Mark 0070 and Mark 0100 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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