Have you actually worked on a plane?
I have, so i know about serial numbers too and what parts are numbered and where.
Since you are "in the know" on this particular topic, I was wondering if you could satisfy my curiosity....
-Why do aircraft parts have serial numbers? How are they useful?
-Does every part have one?
-If not, why do some parts have serial numbers and not others?
-How are serial numbers displayed on parts?(ie magic marker, etched or engraved in the part, label maker, affixed with a data plate ?)
-And is there a "gold standard" for how a part must display a serial number?
-Is it ok if a serialized part gets swapped out with another to aid in troubleshooting?
-Related to the above, what would it mean if they maintenance record showed serial # 001 as being installed, when in fact, # 003 was installed?
-Does a serial number say anything about the type of aircraft it is assigned?
-What are some basic steps to follow if one must replace a serialized part?
and finally...
- Can you cite an example of how serial number matches have been useful to crash investigators in the past? And in what way were they useful(did they ID the aircraft in question, or maybe ID a defective part with a troublesome past?)
Thanks in advance for answering.
I have shown the requlation that covers NTSB working at crime scenes.
Source?
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