As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENG EEC C1 MAINT MSG 73-70211 - FMU. FOUND WIRE HARNESS W0816 CHAFING ON 1 OIL LINE APPROX 10 INCHES FROM CONNECTOR PM76001A ON FMU EVIDENCE OF ARCING EXIST. REPLACED WIRE W816-2001 R/R FROM DM73003A TO DM76001A PER WDM. CKS GOOD PER FIM 73-21-20-2 AND ENG RUN.