As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE EEC C1 STATUS DISPLAYED ECM DOWNLINKS SHOW MSG 35 1-25 CHANNEL A & B SVA FD BK FAIL. CHECKED PIMU FOR MESSAGES TO CONFIRM. ACCOMPLISHED FIM WIRING CHECKS BEFORE REPLACING SVA. REPLACED SVA AMM, OPS CHECKED GOOD. NO MESSAGES.