As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROBLEM DESCRIPTION: #3 AC GENERATOR DRIVE OIL LOW PRESSURE LIGHT ILLUMINATED DURING CRUISE. ON APPROACH TO TCL #1 AND #2 A/C GENS. TRIPPED WITH ASSOCIATED UNDER EXCITATION FAULTS, SYSTEMS ONE AND TWO , #2 GB AND GF LIGHTS ILLUMINATED, #1 GB ILLUMINATED. #1 BT CLOSED THEN TRIPPED. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: CORRECTIVE ACTION CURRENTLY IN WORK