Airworthiness Directives; Boeing Model 747 Airplanes
type: Action
additional type: https://schema.org/LegalForceStatus
description: The FAA is superseding an existing airworthiness directive (AD), which applies to certain Boeing Model 747 airplanes. That AD currently requires repetitive inspections to detect evidence of wear damage in the area at the interface between the vertical stabilizer seal and fuselage skin, and corrective actions, if necessary. The existing AD also provides for an optional terminating action for the repetitive inspections. For all Boeing Model 747-100, 747-100B, 747- 100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP series airplanes, this new AD requires repetitive inspections for wear damage and cracks of the fuselage skin in the interface area of the vertical stabilizer seal and fuselage skin, a detailed inspection for wear damage and cracks of the surface of any skin repair doubler in the area, and corrective actions if necessary. For airplanes on which the fuselage skin has been blended to remove wear damage, this new AD requires repetitive external detailed inspections or high frequency eddy current inspections for cracks of the blended area of the fuselage skin, and corrective actions if necessary. This AD results from reports of wear damage on airplanes with fewer than 8,000 total flight cycles. In addition, there have been three reports of skin wear damage on airplanes that applied Boeing Material Specifications 10-86 Teflon-filled coating (terminating action per the existing AD). We are issuing this AD to detect and correct wear damage and cracks of the fuselage skin in the interface area of the vertical stabilizer seal and fuselage skin in sections 46 and 48, which could cause in-flight depressurization of the airplane.
date published: 2009-06-29
start time: 2009-08-03
agent: Federal Aviation Administration
  type: GovernmentOrganization
  parent organization: US Department of Transportation
object: Boeing Model 747
citation: DigitalDocument
license: https://creativecommons.org/publicdomain/zero/1.0/
source: https://www.federalregister.gov/documents/2009/06/29/E9-15085/airworthiness-directives-boeing-model-747-airplanes
source organization: US Federal Register
publisher: AI Analytics

PropertyValue
property ID: Federal Register Document Number
value: E9-15085

PropertyValue
property ID: Federal Register Citation
value: 74 FR 30919

PropertyValue
property ID: FAA Docket
value: Docket No. FAA-2008-1071

AI Analytics
type: Organization