AD 2005-07-27
Unsafe Condition
Reports of 88 cracked seat central crossmembers and 60 aisle side crossmembers, leading to potential loss of structural integrity and passenger injury.
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Required Actions
Perform initial and repetitive inspections of seat central and aisle side crossmembers for cracks. Replace any cracked crossmember with a new one of the same part number. Optional terminating actions include replacing original crossmembers with reinforced designs.
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Compliance Time
Within 12,000 hours time-in-service (TIS) or within 180 days after the effective date if TIS exceeds 12,000 hours.
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Affected Aircraft
Aviointeriors S.p.A. (formerly ALVEN) model 312 seats installed in Fokker Model F27 Mark 050, Mark 500, and Mark 600 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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