Hi Sue,
You did not say it, but from the fact that you have fractured solder joints 
caused by lead trimming indicates to me that you are talking about a 
single-sided PCB with unsupported holes.
That in itself is about as low on the totem pole of quality you can go—IPC 
has 3 quality classes—Class 1, Class 2 and Class 3, unsupported holes to me are 
Class minus 1.
On the question of reflowing, I take it you mean re-waving these assemblies, 
and for that these re-exposure to the soldering wave should not affect 
component reliability to any significant degree.

Werner

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