As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, LOST 'L' GEN FOLLOWED BY AC L BUS OFF. STARTED APU DID NOT GET L BUS BACK. FOLLOWED BY 'L' GEN DRIVE LIGHT. APU WAS RUNNING OK. NO ISOLATION LIGHT. REPLACED NR 1 IDG AND GARLOCK SEAL. OPS CHECK GOOD. BPCU FAULTED LT GCU, REPLACED GCU. CHECKS GOOD. REPLACED BPCU DUE TO COFFEE STAINS ON UNIT. SYSTEM ALL CHECKS NORMAL.