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Wed, May 15, 2013

AD: Twin Commander Aircraft LLC Airplanes

AD NUMBER: 2013-09-05

PRODUCT: Certain Twin Commander Aircraft LLC Models 690, 690A, and 690B airplanes.
SUBJECT: Airworthiness Directive 2013-09-05
ACTION: Final Rule, Request for Comments

SUMMARY: This AD requires inspection for 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; repair or replacement of damaged parts as necessary; and modification of the structure with reinforced parts.

This AD was prompted by cracks found in the upper picture window frame channels, left- and right hand wing main spar frame support channels, and aft pressure bulkhead web. This condition, if not corrected, could result in structural failure of the airplane.

DATES: This AD is effective May 29, 2013. Comments on this AD must be received by June 28, 2013.

FMI: AD

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