AD 98-23-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Burkhart Grob Luft-Und | GROB G 109B | Airworthiness Directives; Burkhart GROB Luft-und Raumfahrt GmbH Model G 109B Gliders |
Unsafe Condition
Damage to the engine mounting frame (abrasions, notches, or chafing) could result in failure of the engine mount structure with consequent loss of the engine.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the engine mounting frame for paint scratches and damage (abrasions, notches, or chafing) within 3 calendar months after the effective date. Repair paint scratches, repair or replace damaged engine mounting frames as specified. Shorten or replace the warm air duct if damaged.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 3 calendar months after the effective date of this AD, and subsequent actions within 6 calendar months as required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Burkhart GROB Luft-und Raumfahrt GmbH Model G 109B gliders, all serial numbers.
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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