AD Amdt-39-10561

final rule
Data completeness: 70%

Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH Model DG- 500M Gliders

AD Number
Amdt-39-10561
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-CE-09-AD
FR Citation
63 FR 30372

Unsafe Condition

Rudder vibrations caused by flow separation at the rudder gap could result in flutter with consequent loss of rudder control.

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

Required Actions

Install a rudder gap seal and modify the cooling liquid reservoir mount.

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 Model DG-500M 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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View Official Source ↗