AD 70-01-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | D & R Nevada LLC | 30 | Airworthiness Directives; GENERAL DYNAMICS Model 30 and 30A Airplanes |
| aircraft | D & R Nevada LLC | 30A | Airworthiness Directives; GENERAL DYNAMICS Model 30 and 30A Airplanes |
Unsafe Condition
Fatigue cracks in the main landing gear support beams may lead to possible failure of the beams.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours time in service after the AD's effective date or before 17,000 hours time in service, inspect the exposed upper beam cap for cracks. Depending on inspection results, further actions include internal inspections, crack rework, beam replacement, or installing beam cap reinforcement per Service Bulletin 57-9. If cracks exceed limits, replace beam before flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours time in service after the effective date of this AD, or before the accumulation of 17,000 hours time in service, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
GENERAL DYNAMICS Model 30 and 30A airplanes.
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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