AD 2011-21-16

final rule
Data completeness: 70%

Airworthiness Directives; Diamond Aircraft Industries Powered Sailplanes

AD Number
2011-21-16
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0811
FR Citation
76 FR 64793

Applicability

TypeManufacturerModelDetails
aircraft Diamond Various Airworthiness Directives; Diamond Aircraft Industries Powered Sailplanes
aircraft Aviat Various Airworthiness Directives; Diamond Aircraft Industries Powered Sailplanes

Unsafe Condition

A failed air brake control system torsion tube due to corrosion damage may lead to failure of the air brake control system in flight, resulting in reduced control of the aeroplane.

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

Required Actions

Remove, test, and inspect the air brake control system torsion tube for corrosion damage. If corrosion damage is found, replace the affected torsion tube with a serviceable part and apply an anticorrosive agent to the inside of the torsion tube before installation.

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

Compliance Time

Within 6 months after November 23, 2011

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

Affected Aircraft

Diamond Aircraft Industries Model H-36 'DIMONA' powered sailplanes, all serial numbers, certificated in any category.

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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