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View Diary: Engineer on 787 electrical system fired for pointing out flaws (86 comments)

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  •  Another subcontractor goes off the reservation (24+ / 0-)

    I've worked for companies where a sub changed components without telling the manufacturer.  Every instance was to reduce the sub's costs while still charging the same price for their work.

    These swaps resulted in failed systems that ate up a lot of time trying to determine what the root mean cause of failure was.  It also resulted in pissed off customers who would think seriously about taking their business elsewhere.

    Thankfully, none of our stuff was ever put into a plane.

    Most Republicans are against contraception because you can't get pregnant from anal sex. ---Chelsea Handler

    by hobie1616 on Fri Jan 18, 2013 at 04:43:58 PM PST

    •  Frozen designs have problems too (1+ / 0-)
      Recommended by:
      wilderness voice

      It is also hard to make improvements when you are under tight configuration control.  Subassemblies receive comprehensive testing, but you're still subjecting them to testing conditions that are not identical to actual use.  Once you have passed those tests, it is very hard to make changes, even if it seems obvious they would make the product better.  All the tests would have to be repeated and all the configuration documents changed - very expensive.  I work on DOD subcontracts and the difficulty of improving products is the most frustrating part of the work.  I would cheerfully make changes that increase the cost of my product to improve performance and reduce field service and warranty issues, but the retesting and recertification costs are usually prohibitive.

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