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What you do to ensure that
product shipped from the point at which you know of the problem is
'Conforming' [HOLD EVERYTHING!!!! - What have we got here?] (often 100%
inspection/test for the specific defect and then you 'certify' [as per the SS
requirement, but typical outside the sector as well - can you say SORT?] each
shipment for an agreed upon time period - which depends upon the problem
identified, etc., as I'm sure you know). This is what you ship to the
customer within X hours (not always considering reality). The intent here
with the stated hours is to avoid interrupting a customer's manufacturing
schedule.
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Identify part number and
determine what has been shipped, when, what is in the hands of customers (in
their stock - requires close contact with a customer 'point of contact'),
what is enroute, etc.
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Determine when the 'event'
occurred (like lot number).
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Isolate in-house and
warehoused suspect product.
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Determine earliest and
latest. Start wide and narrow down as you go. Eg. Did test fail? When? Is
this a 'standard' that went bad? In the case of a test instrument
calibration, when was the last calibration? Can you test interim product to
see if stuff in between is OK or where the calibration went far enough out as
to allow nonconforming product to be 'passed' and shipped. What shipped
product lots are 'suspect' and 'what's in the pipeline'?
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Close communication with
customers to ensure 'timely' update on possible (suspect) lots or known
'contaminated' lots.
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The customer has to have
knowledge of lots - what may they have shipped that was assembled with your
suspect component.
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