The ability of the maintenance technician to restore malfunctioning equipment to its operational state depends not only on his technical skill and knowledge but also on the tools available to him. Built-In Test Equipment (BITE) assists the maintenance technician in isolating faults to a unit, module, or group of modules. When the fault is isolated to a group of modules, the most logical and least time-consuming approach available for identifying the defective module is module substitution. This study was conducted to determine which P-3C avionic systems will require modules for isolation-by-substitution and what module complement will be required to outfit a module kit or 'caddy'. This report describes the avionic systems of the P-3C aircraft for which modules are needed in troubleshooting by the substitution method, the modules needed to outfit a module caddy, alternate maintenance concepts, and the effect of using initially provisioned spares for outfitting module caddies. Thirty avionic systems peculiar to the P-3C were investigated to identify systems that could not be fault-isolated to the defective module. Six such systems were identified; these were analyzed in detail to determine which modules could not be fault isolated by BITE and standard troubleshooting procedures. (Author)


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    Title :

    Organizational Maintenance Requirements for Augmenting Fault-Isolation Procedures for P-3C Avionics


    Contributors:
    C. F. Wells (author)

    Publication date :

    1970


    Size :

    34 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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