AD 80-15-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Series Airplanes |
Unsafe Condition
Loss of fuel flow to an engine due to failure of a fuel system gravity feed check valve.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and service the fuel system aft gravity feed check valve associated with fuel cell number 4 within 100 hours time in service after the effective date or before 1300 hours total time in service, whichever occurs later. Subsequent inspections must be done at intervals not exceeding 1200 hours total time in service, extendable to 2400 hours if a new or serviceable valve (P/N 984109/F) is installed. Additionally, inspect and service valves for fuel cells 1, 2, 3, and the forward valve on cell 4 before 2400 hours total time in service and every 2400 hours thereafter.
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Compliance Time
Within 100 hours time in service after the effective date of this AD, or before the accumulation of 1300 hours total time in service, whichever occurs later
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Affected Aircraft
Short Brothers PLC Model SD3-30 series airplanes, serial numbers SH 3000 to SH 3027 inclusive.
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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