AD 98-15894

Recurring final rule
Data completeness: 60%

Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH Models DG-100 and DG-400 Gliders

AD Number
98-15894
Status
final_rule
Effective Date
Product Category
aircraft
FR Citation
63 FR 32720

Applicability

TypeManufacturerModelDetails
aircraft Bell Various Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH Models DG-100 and DG-400 Gliders

Unsafe Condition

Overloading of the airbrake control system caused by free play between the bellcrank and airbrake plate, which could result in failure of the operating lever of the airbrake torque tube in the fuselage.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Repetitively inspect airbrakes to ensure they retract at their outboard end first and repair if they do not. Repetitively inspect the airbrake torque tube in the fuselage for cracks or deformations, then reinforce or replace as necessary.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Glaser-Dirks Flugzeugbau GmbH Models DG-100 and DG-400 gliders.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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