AD 81-04-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes |
Unsafe Condition
Failure of the end cap sub-assembly of the nose wheel steering actuator or failure of the link sub-assembly of the nose landing gear beam.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the end cap sub-assembly with P/N 18382-9 or P/N 18391-9 following Menasco SB 32-21, Rev 3. Replace the link sub-assembly with same P/N or P/N 18293-1 following Menasco SB 32-30, and reidentify the beam assembly if P/N 18293-1 is used. Compliance intervals: 25 landings after AD effective date or prior to 10,500/10,000 landings, whichever is later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 landings after the effective date of this AD, or prior to accumulation of 10,500 landings (for end cap) or 10,000 landings (for link sub-assembly), whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
SHORT BROTHERS LIMITED Model SD3-30 airplanes with Menasco nose landing gear steering actuator P/N 18002, serial numbers MMC-003 through MMC-048, and/or nose landing gear beam assembly P/N 18004, serial numbers MMC-001 through MMC-041.
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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