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[20120102. Root cause analysis (14): 5 why]

ȯÀÚ¾ÈÀü»ç°íÀÇ ±Ùº»¿øÀÎ ºÐ¼®µµ±¸ Áß ¶Ç ´Ù¸¥ °ÍÀÌ 5 whyÀÔ´Ï´Ù. ±Ùº»¿øÀÎÀ» ã±âÀ§Çؼ­´Â Àû¾îµµ 5 ´Ü°è±îÁö´Â ã¾ÆºÁ¾ß ÇÑ´Ù´Â °ÍÀÔ´Ï´Ù. ¿µ¾î·Î Ç¥ÇöÇÏ¸é ¾Æ·¡¿Í °°½À´Ï´Ù.

First, ask ¡±Why did this error occur?

Then, ask ¡°Why did that occur?¡±

Then, ask ¡°Why did that occur?¡±

Then, ask ¡°Why did that occur?¡±

Then, ask ¡°Why did that occur?¡±

5 Why´Â Toyota Production System (TPS)¿¡¼­ »ç¿ëµÇ´ø ¹æ¹ý·ÐÀÔ´Ï´Ù. º¸´Ù ÀÚ¼¼ÇÑ °ÍÀº ¿©±â¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù.

¿äÁ¡Àº ÀÌ°ÍÀÔ´Ï´Ù. ¹¯°í ¶Ç ¹¯ÀÚ. ±×¸®°í ¶Ç ¶Ç ¶Ç ¹¯ÀÚ.

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