AD 86-16-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Burkhart Grob Luft-Und | G103 Twin II | Airworthiness Directives; GROB WERKE GMBH (Burkhart Grob) Models G103 TWIN II and G103A TWIN II ACRO Gliders |
| aircraft | Burkhart Grob Luft-Und | G103A Twin II Acro | Airworthiness Directives; GROB WERKE GMBH (Burkhart Grob) Models G103 TWIN II and G103A TWIN II ACRO Gliders |
Unsafe Condition
Failure of front cockpit airbrake operating lever, P/N 103B-4270, which could result in the loss of airbrake control.
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Required Actions
Within 10 hours time-in-service after the effective date, and every 10 hours thereafter until compliance with paragraph (c), visually inspect the airbrake operating lever for cracks and buckling per Grob Technical Information No. TM 315-29. If a defective lever is found, replace it before further flight with a reinforced lever per Grob Technical Information No. TM 315-29 and Repair Instructions No. 315-29. Within 50 hours time-in-service but no later than 90 days after the effective date, replace any unrepaired lever with the reinforced version per the same documents.
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Compliance Time
Within the next 10 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 10 hours time-in-service after the last inspection, until compliance with Paragraph (c) is accomplished. Additionally, within the next 50 hours time-in-service but no later than 90 days after the effective date.
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Affected Aircraft
GROB WERKE GMBH (Burkhart Grob) Models G103 TWIN II and G103A TWIN II ACRO gliders with serial numbers 3501 through 3715 and 3544-K-1 through 3709-K-45.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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