As part of the Federal Aviation Administration (FAA) Aging Aircraft Programs coverage of nonstructural systems, Sandia National Laboratories undertook an initial study of aged single-element, dual-load path (SE-DLP) linkages from primary flight control systems on recently retired Boeing 737 and 747 aircraft. This work was done in cooperation with the aircraft manufacturer and was accomplished at the FAA Airworthiness Assurance Nondestructive Inspection Validation Center, operated by Sandia National Laboratories. The SE-DLP flight control components tested are critical; their failure would affect the continued functionality of the flight control system or subsystem and consequently degrade the safety of flight. For example, the ability of the crew to safely land the aircraft in unusual operating conditions would be questionable. Furthermore, no prior studies have investigated aged Boeing SE-DLP flight control components. This report highlights the evaluation results of the aged SE-DLP flight control components investigated in this study.


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    Title :

    Visual Inspection Results of Aged Boeing 737 and 747 Single-Element, Dual-Load Path Flight Control Components


    Contributors:
    J. DiMambro (author) / Z. Jacob (author) / G. Langwell (author) / I. P. Montano (author) / D. P. Roach (author)

    Publication date :

    2007


    Size :

    206 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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