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The Strengths and Weaknesses of Boeing 767 New Airplane Program

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Another weakness in terms of quality was about the modification in production. Until all drawing and parts were available, cockpit work was delayed for two-crew models, and also demanded the alteration in the test procedure.   Testing of each system sequentially when it became operational was not possible then. Furthermore, another weakness which reinforced this weakness was that functional testing was done after complete installation of a two-person cockpit.   Hence the delay in problem detection and correction became another big weakness in terms of quality assurance. This gave chances for some errors and problem to be overlooked from one stage of installation to other. Another weakness in terms of quality was about the modification in production.

Until all drawing and parts were available, cockpit work was delayed for two-crew models, and also demanded the alteration in the test procedure.   Testing of each system sequentially when it became operational was not possible then. Furthermore, another weakness which reinforced this weakness was that functional testing was done after complete installation of a two-person cockpit.   Hence the delay in problem detection and correction became another big weakness in terms of quality assurance.

This gave chances for some errors and problem to be overlooked from one stage of installation to other. However, the strength of this program with regard to the quality management was that parts installation was done only once and there was no subsequent removal hence the configuration was secured. This reduces the effort cost that might have incurred if parts were removed one after the other. Furthermore, quality management was carried out efficiently as all activities of quality management were not carried out as a separate program.

The isolation in quality assurance process from that of the production helped reduce the efforts and resulted in efficient testing. Such rigorous testing was required as there many uncertainties regarding the design of the converted cockpit. The forecasting strength of this program was that it was done in terms of three economic models which were optimistic, conservative and expected. The best part of this approach was that it was based on assumptions like continued regulation of the airline industry; continued airline preferences for routes that directly linked pairs of major cities; steadily rising fuel prices; and no new competition from other airframe manufacturers.   These models added value as they were reassessed annually and were revised on a quarterly basis.

Hence, there should be no doubts about inflation or any change in any element used in any economic model.

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