AD 85-19-07 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Burkhart Grob Luft-Und | GROB G 109 | Airworthiness Directives; BURKHART GROB Model G109 and G109B Powered Gliders |
| aircraft | Burkhart Grob Luft-Und | GROB G 109B | Airworthiness Directives; BURKHART GROB Model G109 and G109B Powered Gliders |
Unsafe Condition
Failure of the main landing gear legs due to cracks in legs with boreholes (P/N 109-5000.01).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect landing gear legs to determine if they have boreholes. If boreholes are present, inspect for cracks within the next 10 hours time in service and every 25 hours thereafter. Replace cracked legs before further flight and exchange borehole legs for non-borehole legs by January 31, 1986.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours time in service, and thereafter at intervals not to exceed 25 hours time in service from the last inspection. Exchange borehole legs no later than January 31, 1986.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Burkhart Grob Model G109 (serial numbers 6001 through 6159) and Model G109B (serial numbers 6200 through 6317 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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