As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT BACKUP ELECTRICAL POWER SYSTEM INOP. *S/D* FOUND RT BACK-UP GENERATOR HAS SHEARED SHAFT. REPLACED NR 2 ENGINE BACK UP GENERATOR PER MM-24-25-01. ACCOMPLISHED IDLE RUN NR 6 TEST, REF: MM-71-00-00-PAGE 543, REF: MM-24-25-01, PAGE 417 TESTED GOOD. AC OK FOR SERVICE.