Project 3: Assembly defects of a car air-conditioning evaporator.

Col 1: Defective item
Cols 2-9: Week1 data
Cols 10-17: Week2 data
Col 18: Total
                                Week 1                        Week 2

Sealer                  1                                                  1
Defective housing    4  1 10  4  3  4  3          2  2  1  5  1  3        43
Foreign material                               1           1  1            3
Welding
Missing screws      13  7 11  3 16  8 15 12   24 25 20 15 35 30 25 15    274
Missing doors
Cams loose/missing      1  1                   1                           3
Missing spring   
Cam screws loose     2                         6  4                       12
Missing gasket       1     1     1  2  4  3    5  6  3  4  6  4     1     41
Missing door arm                               3                           3
Missing studs        1     1     3  3  4  1    1                          14
Door shaft arm       1     1                                               2
Missing recirc duct  1              2  1  2          1           2         9
Scrap                4  1  9  1  2                      1     1           19
Unconn motor wires   9  5  3     1                                        18
Missing motor clips                            5 15  7  3  7  7 10  5     59
Incomplete parts                                  1  3     1  3  5        13

Total               36 16 37  8 26 19 27 18   46 53 36 24 55 47 45 21    514
Units repaired               105                         161             266
Units produced              1395                        1440            2835