AD 2010-20-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BURKHART GROB Luft- und Raumfahrt | Models G115C | Airworthiness Directives; GROB-WERKE (Type Certificate Previously Held by BURKHART GROB Luft- und Raumfahrt) Models G115C, G115D and G115D2 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; GROB-WERKE (Type Certificate Previously Held by BURKHART GROB Luft- und Raumfahrt) Models G115C, G115D and G115D2 Airplanes |
Unsafe Condition
A failed canopy jettison test during maintenance revealed that a cable shroud of the jettison system protruded the canopy structure, potentially causing inability to jettison the canopy in flight.
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Required Actions
Fabricate and install a placard reading 'AEROBATIC FLIGHT PROHIBITED' on the instrument panel. Conduct a canopy jettison test following Grob Aircraft AG Service Bulletin No. MSB1078-164. If the test fails, contact Grob Aircraft AG for an FAA-approved repair scheme and incorporate the repair. Submit a report of the test results within 7 days. After corrective actions or a successful test, remove the placard.
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Compliance Time
Before further flight after November 1, 2010, for the placard installation and aerobatic flight prohibition. Before the next aerobatic flight after November 1, 2010, for the canopy jettison test. Within 7 days after the test or November 1, 2010, for submitting the test report.
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Affected Aircraft
GROB-WERKE (Type Certificate Previously Held by BURKHART GROB Luft- und Raumfahrt) Models G115C, G115D, and G115D2 airplanes, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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