1. Inspector check the
parts and take the
internal COC.
CEO check
the parts.
The packer take the
label and package it.
Go to store.
The PP was
cancelled.
QE inform the
relevant people.
Update the
computer program.
The packer take
some new labels
replace the old one.
Take the
external COC.
Before delivery,
CEO check the
parts and COC.
Go to RR.
Flow chart of BRR23319 in COC problem
① ② ③
④
Fish Bone
5 Why Analyse
For Process ①:
The PP information on the internal COC was gone, why?
The inspector forget to write the PP information on the internal COC, why?
When she finished writing the S/N on COC, she thought she finish this batch and took
some rest, why?
She was careless and didn't finish her work.
For Process ②:
5 Why Analyse
CEO didn't find the internal COC missed PP information, why?
CEO focused on the visual defects and the machining features, ignored some
information on the paper, why?
CEO took his attention on the part by himself for previous customer complaint, why?
His Quality Awareness is weakness.
For Process ③:
Fish Bone
Action ①: Establish the PP/Concession board and update the data, ask the final
inspectors check the number follow it when they write the internal COC.
Gu Xiang'an 2015-7-20
Action ②: Train CEO about the working items. Kang Hui 2015-7-20
2014-Dec
2015-Jan
2015-Feb

2. Fish BoneFor Process ③:
5 Why Analyse
Ⅰ: The packer didn't follow the internal COC to print the tag ＆ Bag label, why?
He found the internal COC misses the PP information, and this PP was not
cancelled, so he added the PP information on the Tag & Bag label, but he didn't talk
with inspector about this, why?
He forgot to talk to inspector when he finished his work.
Ⅱ: The PP information is only on the Tag & Bag label, nor on the outer packaging,
why?
The packer thought the PP information just take it on the Tag & Bag, the
concession information need to take it on the Tag & Bag and outer packaging, as
same as the CEO, why?
They didn't fully understand the standard about packaging.
For Process ④:
COC 150114-7 consists of 2 batches BRR23319 (207708 & 207651). Batch 207708
has 9 off parts. Batch 207651 has 11 off parts, the concession 210763672 CAT2 is
just on the 207651, why?
The batch 207651 has 20 off parts, these parts were put into 2 boxes, the last box
has 11 off parts, the packer take some new labels replace the old Tag & Bag label,
missed one box, why?
It was about to delivering when he made the labels change, the time was closed,
why? (take the change on Feb.9, on Feb.10, go to RR)
The packer didn't make the label change in time when the inspection controller
informed him about this, why?
He was not serious about working and nobody went to track it.
5 Why Analyse
Action ③ Ⅰ: Ask the packer and CEO take a communication with the relevant people
in time when they find some mistakes. Gu Xiang'an 2015-7-20
Ⅱ: Train the packer, CEO about packaging standard, and let them
understand the customer requirement. Kang Hui 2015-7-22
Action ④: 1.Point one people (Gu Xiang’an) to inform the updating information.
Gu Xiang’an 2015-7-10
2.Make a model list about information communication and the changing
items, and train the relevant people. Kang Hui 2015-7-25
3.List the change items with the relevant people, and track it.
QE+Gu Xiang’an Continual