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Differences between Manufacturing Process Audit & Layered Process Audit

kohhe

Registered
#1
Hi All,

Can someone explain what is the difference between Manufacturing Process Audits (MPA) and Layered Process Audits (LPA) ?

Thank You ^^
 

Howard Atkins

Forum Administrator
Staff member
Admin
#2
If you mean Manufacturing process audit to meet requirements of IATF 16949. As per the standard 9.2.2.3 this needs to include
"The manufacturing process audit shall include an audit of the effective implementation of
the process risk analysis (such as PFMEA), control plan, and associated documents"

Typically LPAs do not include these.
The first edition of CQI 8 include the statement that LPAs could be regarded as Manufacturing process audit but this was removed and the standard updated.
There are also a large number of Manufacturing process audit which are CQIs such as CQI 23 Injection moulding
 
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