Hi Tsering,
When did you recycled bad systems RA15011?
Ans: We recycled parts on 14-18 Septempber, 2015.
Which room and position did you used for recycled it ?
Ans: Assembly room when finished we clean room very time.
Did you used same tools to recycle bad systems RA15011?
Ans: No, We use difference tools for recycle parts and after we clean the tools very time.
Did you change any new tools or process?
Ans: No change any tools. But on the Step#1.2 we clean E1T with IPA and dry up with hair dryer before go to Step#3. (Sebastien acknowledge last visited)
Its seems that rust come from the tools or position during the assembly process,
Used same lot # for RA15012, and RA15013, not rust at all,
Ans: No is difference:
RA15012 use #250315E1T only 1,005 pieces and after we use #210715E1T
RA15013 - RA15016 use #210715E1T
RA15016 start to use #250315E1T (Back from Swiss #151002TH). Release 22-Oct-2015 after 8 days come out from Step#8 found total rust pieces 9 pieces
(*Please find files for information)