AD 81-09-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Series Airplanes |
Unsafe Condition
Failure of the main landing gear wheels due to cracks in the valve side half, P/N AH43782 Mod State 1 or 2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the valve side half (P/N AH43782 Mod State 1 or 2) of the main landing gear wheel (P/N AH53369) for cracks using eddy current method per Dunlop Component Maintenance Manual 32-40-65, Rev 6, or FAA-approved equivalent. Replace cracked wheels with serviceable parts of same P/N or FAA-approved equivalent and continue repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of 150 hours time in service or 250 landings after the effective date of this AD, whichever occurs sooner, and thereafter at intervals not to exceed 250 landings since the last inspection. For Mod State 2, also prior to 300 hours time in service or 500 landings since new, whichever later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Short Brothers PLC Model SD3-30 series airplanes with main landing gear wheel P/N AH53369 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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