As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB, LT VSCF FAILURE IN CRUISE WITH LT GEN OFF AND AC PWR FAULT. UNABLE TO START APU. EPCU FAULTED 'LEFT CONV EU FAIL' WITH LT CHANNEL NBPT AND LT CHANNEL UF TRIP. VERIFIED LT GEN NO VOLTS/FREQS. REPLACED LT VSCF GEN. INSPECTED LT ENG GEN CONTROL HARNESS, NO DEFECTS. C/W NO-GO ODI PREVENTION PROGRAM. APU INTAKE DOOR LINKAGE BROKEN.