Well, that was the first port of call, obviously. However, we need qualification of what the web says - just saying "I found it on Google" will not satisfy our regulatory authority. If anyone has any QUALIFIED evidence of alternates, then I would be pleased to hear from them.
Hi all;
I have been asked to find a Stainless Steel to AN-QQ-S-757. The spec is obsolete (we are restoring a P-47 Thunderbolt WW2 fighter aircraft) and we have not been able to find anything via SAE. We think that 321 may be an acceptable substitute but we need some way of qualifying this. Any...
