As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MSG "WARN ELEX" DISPLAYED. CREW COMMENTS: WARN ELEX STATUS MSG DSPL IN FLT. THIS IS THE 4TH OCC. SYS TESTS & CB RESETS ARE NOT A FIX. UNABLE TO DUPLICATE WRITE-UP, ACCOMPLISHED FIM 31-51-00, NO FAULTS. REPLACED M616 POWER SUPPLY MODULE A PER LM1617.