As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING LEFT ENGINE - L-GEN DRIVE MESSAGE AND DRIVE LIGHT ON OVERHEAD PANEL. REMAINED ILLUMINATED. LEFT GENERATOR SYS INOP. FWD TO MCO PER MEL 24-00-0. CHECKED, BPCU -IDG/PRESS SW WIRING- NOTED. MAINT PROC COMPLIED WITH, REPETITIVE APU OIL QTY CHECK REQUIRED. APU QTY CHECKED AND FULL. MCC NOTIFIED. PLACARD INSTALLED. ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.