As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH L & R EEC EICAS MESSAGE " R EEC MODE" " L ENGINE EEC MODE" INDICATED.(<P>TRANSFERRED TO MDDR# 108417 IAW DDG 73-21-01-03 CAT C DUE 19MAR19.</P><P>LP 1015472-M7 REMOVED AND REPLACED L PIMU IAW AMM 77-35-02 PERFORMED ENGINE RUN AND PERFORMED PIMU BITE TEST IAW FIM 71-01 FT 810 OPS CHECK OK.</P>)