AD 2013-09-05

final rule
Data completeness: 70%

Airworthiness Directives; Twin Commander Aircraft LLC Airplanes

AD Number
2013-09-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2013-0393
FR Citation
78 FR 28125

Applicability

TypeManufacturerModelDetails
aircraft Twin Commander Airworthiness Directives; Twin Commander Aircraft LLC Airplanes

Unsafe Condition

Cracking of the outer fuselage attachments, the lower wing main spar, the vertical channels, the upper picture window channels, aft cabin pressure web, external wing to fuselage fillets, and fasteners could result in structural failure of the airplane.

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

Required Actions

Inspect for cracking of the specified components; repair or replace damaged parts as necessary; and modify the structure with reinforced parts.

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

Twin Commander Aircraft LLC Models 690, 690A, and 690B airplanes.

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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