AD 87-25-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Burkhart Grob Luft-Und | G103 Twin II | GROB Models G103 TWIN II and G103A TWIN II ACRO Gliders |
| aircraft | Burkhart Grob Luft-Und | G103A Twin II Acro | GROB Models G103 TWIN II and G103A TWIN II ACRO Gliders |
Unsafe Condition
Failure of the rudder lever could result in the glider becoming uncontrollable.
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Required Actions
Within 5 hours time in service after the effective date, visually inspect the rudder lever P/N 103B-4430 using a 10 power magnifying glass and flashlight per GROB Repair Instruction No. 315-33/1. Replace damaged parts before further flight with rudder lever P/N 103B-4430/1 and two rudder stop screws M 6 x 45 mm per GROB Repair Instruction No. 315-33/2. Prior to March 15, 1988, replace any non-compliant rudder lever and screws with specified parts per the same repair instructions.
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Compliance Time
Within the next 5 hours time in service after the effective date of this AD, unless compliance with Paragraph (c) has been accomplished. Prior to March 15, 1988 for replacement under Paragraph (c).
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Affected Aircraft
GROB Models G103 TWIN II and G103A TWIN II ACRO gliders, Serial Nos. 3730 through 3878, and Serial Nos. 33879 through 34078 (ACRO with supplement K)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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