Regarding the EMLUB, it may have been forgotten that in the first ditching, REDW, there was loss of MGB oil pressure followed by a chip indication to the cockpit via the VMS. The previous accident to that was the REDL fatal one and the AAIB report on it, which the later crew would likely be familiar with, gave FDR data showing chip indications followed by loss of MGB oil pressure. I.E. Similar warnings although presented in reverse sequence (within 15 secs). Even without the EMLUB caption illuminating there may have been some concern that ‘something’ was breaking up inside the gearbox (which indeed there was). When you get a chip indication how many metal chips do you know there are?