Nadcap Processor PO (Purchase Order) Requirements

J Allen

Involved In Discussions
#1
I have been having quite a debate with our Engineering and Purchasing departments as to what information must be on a Purchase Order to a processor such as a plating house.
I say there is a requirement to list material type, program (Aircraft Model), Customer, as well as the normal Specifications and drawings with revision level status.
Unfortunately I cannot find a document (Nadcap, AS9100, ISO, etc...) that supports my position.
I'm sure that some processors have said they need this information but I don't know what is driving it.
Any answers???
 
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Z

z28tt

#3
Customer drives it - check your customer requirements. UTC companies use ASQR-01 to flow the additional ones above AS9100C, and then often have others beyond that.

For our customers, you often don't know the program/aircraft it's used. It's just a widget that needs anodize. The customer does ask for "UTC End Use" on the special process CofC.

Flowing down material does make it easier for the processor, and could prevent mistakes. We give the special process hour an operation sheet with all requirements, and reference "Op50 RevC 9/12/11" on the PO, so the purchasing dept doesn't miss something.

Hope this helps!
 
A

andygr

#4
It should be a flow down from your customer in their PO/contract to you that you then pass on down the line.
For Boeing you need to know the aircaft type and which division the part is going to so that you can make sure you are useing the applicable departures from the base spec. These departures are in some cases only for a single type of AC such a 737 or for a single division such a BAC( comercial division) vrs BDS ( defense division). This information is contained in the header of the departure to identify what it is applicable for so that you or the processing house needs to know it this information order to determin if the requirements of each departure apply our not. Some specs can have 20 or more departures.
 

J Allen

Involved In Discussions
#5
I am working hard with our Engineering group to flow down the applicable Boeing PSDs to our processors. Engineering seems to think that all they need to do is state "make or process to Blue Print" without actually calling out the specification or supporting PSDs. And you are correct, if you don't know the model of the A/C, or program, you will not know which PSDs apply.
Thank you for your supporting response.
 
A

andygr

#6
Do not forget that your Boeing rep can be used to help educate the engineers:bonk:. There is a current project that is being worked to develop for each of the special process working groups what should be on the PO's to ensure that the right information gets flowed down the food chain.
This is an ongoing issue that has resulted in escapes so is getting some visability. This was the big driver behind making sure that the departure listing on the D1-4426 website being kept up to date- there was some folks that wanted to drop it- since many times it is the processing house that will ask the firm giveing them a job against a Boeing spec what about this PSD and this PSD?
 
M

Maxebolo

#7
J Allen,
I can tell you that this requirement has to be flown down from your customer.
Some customer like Boeing wil ask you for A/C model, P/n , model revision, spec revision , s/n if appicable, date performed each operation, accepted/rejected each operation, as well as date certify(main cert), and in extreme cases i have seen called out primer batch and sol gel batch # as well as certs from the distributor(not the processing house) for each organic/non organic coating. Make sure you PO is a controlled document, so nobody can modify the instructions...

max
 
E

erinpristel

#9
Boeing has recently updated D1-4426 Addendum (February 2015). This has required all processes to have PSD's called out for all high level specifications on purchase orders. We too (aerospace machine shop) are having many problems with this and flowing thew PSD's down to the processors. There is no flow down from our customer, only Boeing. It is forcing us non plating/heat treat experts to tell our processors what they need to do. It is completely backwards from how it should be. There is also an exeption where this is not required for part procurement so the primes that supply Boeing are not required to do it but the sub-tier suppliers are. It is ludicrous. I'll update after I have more information. This has just hit us within the past week as processors have been told they will be penalized during the Boeing audits if it is not implemented. That is what is driving this change. Good luck!!! ;)
 
A

andygr

#10
The update was actualy released last year ( you can see when on the revision summary) but as is the case very few read the requirements for being approved and using D1-4426 sources. The change identifed that the requirement had to be implemented by Feb 28 2015 for those requesting work of a D1-4426 approved source.
This info has always been a requirement to determine if you should or should not be using PSD's ( Departures) and what you and or your customer may have not done in the spec. The appendix D was created to help clearly identify what is required so that non technical Purchasing types can have a type of checklist to assure they received the required info.
Those tier 1 and 2 suppliers to Boeing received formal notification that this flowdown has been required and is now clearly defined in the D1-4426. They have to comply as with everyone else that uses D1-4426.
If your customers do not provide the required info your process rep will be happy to hear about this and issue a C/A to your customer and assign the responsability to their Boeing system rep.
You have been and will still be required to perform contract review to assure that you have all the right info and can comply witht he PO requirements you received.
But be aware now that folks are actualy reading and looking at what is required there will be lots of discussion and I am sure that there will be updates as things are found to not work as well as hoped.
 
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