AD Amdt-39-10757

final rule
Data completeness: 70%

Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH Model DG- 400 Gliders'

AD Number
Amdt-39-10757
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-CE-12-AD
FR Citation
63 FR 49653

Unsafe Condition

Vibration caused by loose parts in the powerplant mount and propeller mount could lead to engine damage and loss of engine power during critical flight phases.

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

Required Actions

Inspect the powerplant mount and propeller mount for loose parts. Modify the starter motor, retrofit the starter motor holder, and check engine ignition timing either immediately or based on inspection results.

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

Compliance Time

Immediately or at a certain time depending on inspection results.

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

Affected Aircraft

Glaser-Dirks Flugzeugbau GmbH Model DG-400 gliders subject to mandatory continuing airworthiness information (MCAI) from Germany.

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 ↗