loss of both engines does not cause an immediate loss of pressurization, nor does it even result in a high cabin rate of climb. By the time any significant cabin rate of climb obtained, the capability of sending ACARS messages would have long been lost).
PJ2(page 143)
What if rollback or stall preceded flameout?GCB still closed but bleed flow to packs disrupted to trigger the last ACARS.
As to the "what then"...well,I dont think the lack of any distress call is too big an issue considering where they were.The lack of LJ's?Failure to re-light?Bodies were found with no clothing.If bodies had been found clothed but with no LJ,yes.Re-light requires flt envelope check which requires reliable instrumentation.Dark night,bad weather etc.Relights folllowing crystalline icing are 100% from what Ive read so yes its still a tenuous theory.