As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU GENERATOR TRIPS. APU GEN INOP, NO ELECTRICAL BACKUP STATUS MESSAGES. REPLACED GENERATOR CONTROL UNIT. GCU OP CHECKS GOOD. APU GENERATOR OPS CHECKS GOOD. RE-OPENED BY OPBLM FOR HIT AGAIN AT DEPARTURE. REPLACED APU GEN PER MM. OPS CHECK GOOD WITH 70 PERCENT LOAD.