AD 70-12-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 340 | GENERAL DYNAMICS Model 340 and 440 Series Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 440 | GENERAL DYNAMICS Model 340 and 440 Series Airplanes |
Unsafe Condition
Cracks in the fillet radius area between the axle and the outboard face of both brake attachment flanges of MLG Piston/Axle Assemblies P/N 528039 with 10,000 or more hours' time in service could lead to failure of the main landing gear axle.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect MLG Piston/Axle Assemblies P/N 528039 using dye penetrant, magnetic particle, or equivalent inspection procedures. Repeat inspections at intervals not exceeding 1000 hours' time in service unless rework is performed. If cracks are found, rework the area or replace the axle if minimum wall thickness is less than 0.30 inches.
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Compliance Time
Within the next 150 hours' time in service after the effective date of this AD, unless already accomplished within the last 850 hours' time in service.
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Affected Aircraft
GENERAL DYNAMICS Model 340 and 440 Series airplanes including those modified with STC SA4-1100 or STC SA1096WE.
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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