Purpose

• To define the acceptable change classes.
• To allow exceptions to or skip steps in the change or other processes based upon class.
• To help identify changes wherein non-interchangeable Part Number changes should be considered.

Applicability

• All change forms to be processed by this CM function.

Policy/Practice

• General Class
  1. Doc Only – see definitions.
  2. Interchangeable – see applicable standard.
  3. Non-interchangeable – see applicable standard.
• Modification to the product which is necessary to make the product:
  1. Meet the product specifications or safety standards.
  2. At a reduced manufacturing or maintenance cost.
  3. Exceed its specification.
• Modification to the product design might be a combination of 1, 2 or 3 above.
• Any change identified as required to meet product specifications or safety specifications must also be considered non-interchangeable and Part Number change should be considered (see Interchangeability Standard and the Part Number & Revision Level Changes Standard).
• Other classes allowed as defined by the CM manager might include (Note: the fewer classes the better):
  1. Urgency (providing it takes no more than 10 man-minutes to determine).
  2. Cost effect on the product.
  3. Etc.

Procedure

• None required.

Primary Responsibility

• The Doc Control Department shall have responsibility to keep this standard up to date.

Authorization