AD 82-12-02 R1
Unsafe Condition
Structural failure of the flap due to cracks in the flap outboard hinge nose ribs.
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Required Actions
Visually inspect the flap outboard hinge nose ribs for cracks per SB No. 57-58, Rev 3. If cracks exceed criteria, reinspect at intervals not exceeding 40 hours time in service or replace flap/contact manufacturer for permanent repair before further flight. Allow special flight permits under FAR 21.197/21.199.
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Compliance Time
Within the next 100 hours time in service after June 17, 1985, or before 600 hours time in service on the airplane, whichever is later.
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Affected Aircraft
British Aerospace Model HS/BH/DH 125 up to and including series 700 airplanes except those with Modification 252772.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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