AD 84-21-01 R1
Unsafe Condition
Electrical failures in the 'ZL' panel due to insufficient 80 amp fuses.
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Required Actions
Replace the two existing 80 amp fuses on the 'ZL' panel with 100 amp fuses. Install covers on the 'ZL' panel following specified service bulletins based on aircraft STC or engine type. Alternate means of compliance may be approved.
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Compliance Time
within the next 90 days after the effective date of this AD unless previously accomplished
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Affected Aircraft
BRITISH AEROSPACE Model DH/HS/BH 125 series airplanes with serial numbers specified in service bulletins 24-239-(2885), 6-7, and 24-220-(2749)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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